sonel MPI-540 Multi Function Meter User Manual

Welcome to the Sonel MeasureEffectTM platform. This comprehensive system allows you to take measurements, store and manage data, and provides multi-level control of your instruments.
The platform is designed to streamline your measurement processes and enhance efficiency.

Product Usage Instructions

Interface and Configuration

This section covers the interface and configuration settings of the platform.

First Steps

Get started with the platform by familiarizing yourself with the list of measurement functions, live mode, and measurement settings.

List of Measurement Functions

Explore the various measurement functions available on the platform.

Live Mode

Learn how to use the live mode feature for real-time measurements.

Measurement Settings

Adjust and customize measurement settings according to your requirements.

Connections

Ensure proper connections for safe and accurate measurements.

Electrical Safety

Follow the specific connection guidelines for EPA measurements, RISO measurements, RX, RCONT measurements, and more.

Safety of Electrical Equipment

Understand the connections for different types of measurements like I measurements with clamp, IPE measurements, and more.

FAQ

Q: How do I update the platform software?
- A: To update the platform software, please visit our official website and download the latest version of the software. Follow the installation instructions provided in the update package.
Q: Can I export measurement data to external devices?
- A: Yes, you can export measurement data to external devices using the platform’s data export feature. Connect the external device to the platform and follow the on-screen instructions to transfer the data.

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Interface and configuration

1.1 On-screen keyboard

The on-screen keyboard has the same functions as the keyboard on any touchscreen device.

Delete

Go to new line

Go to the next field

!#1

Switch to a keyboard with numbers and special characters

Alt Show diacritics

Confirm the entered text

Hide the keyboard

1.2 Menu icons
Go to the previous window Return to the main menu Help Log out the user

+/-

Enter the markings

Add a measurement object

Measurement settings and limits

Add an object Add a folder Add an instrument Add a measurement

General Measurements
Memory

Expand the item Collapse the item Save Close window / cancel the action Information
Start the measurement Finish the measurement Repeat the measurement Show the graph
Search Go to the parent folder

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1.3 Gestures

5 s

Start the measurement by holding the icon for

5 seconds

Touch an item on the touch screen

1.4 User’s account
After logging in, you will gain access to the user accounts menu. The padlock symbol means that the user is protected by a password.

Users are introduced to a list of people, who performed tests using their signature name. The device can be used by a number of people. Every person can log in as a user with their own login and password. Passwords are used to prevent logging into another users account. Only the administrator has the right to enter and delete users. Other users can only change their own data.
· The meter can have only one administrator (admin) and a maximum of 4 users with limited rights.
· The user created by the administrator receives their own meter settings. · These settings can only be changed by that user and the administrator.

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1.4.1 Adding and editing users
1 · To enter a new user, select . · To change the data of a given user, select the user. · Then enter or edit its data.

After touching the padlock, you can enter the password to access the user ac-

count. Touch it again if you want to disable the account password protection.

Finally, save your changes.

1.4.2 Deleting users
To delete users, mark them and select . The exception is the administrator account, which can only be deleted by restoring the meter to the factory settings (sec. 1.5.4).

1.4.3 Switching users

To change the user, log out the current user and confirm the ending of the session.

Now you can log in as another user.

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1.5 Configuration of the meter main settings
Here you can configure the meter to your needs.

1.5.1 Language
Here you can set the interface language.

1.5.2 1.5.3

Date and time
Available settings: · Date. · Time. · Time zone.
Accessories

Here you will find a list of accessories and their configuration options.

1.5.4

Meter
Available settings:
· Communication here you can configure the available communication methods.
· Display here you can turn on/off the time for when the screen will turn off, adjust the brightness, turn on/off the touch function of the screen, change the size of fonts and icons in the measurement view.
· Auto off here you can set/disable the Auto OFF time of the device. · Sounds here you can turn on/off the system sounds. · Update here you can update the device software. · Specialized mode allows you to enter a special service code. This
functionality is dedicated to our technical support.
· Recovery here you can restore the meter to factory settings. See also sec. 1.5.7.
· Meter status here you can check the used and available space in the internal memory.

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1.5.5 1.5.6

Measurements
Available settings: · Mains type type of network to which the device is connected. · Mains frequency voltage frequency of the network to which the device
is connected. · Mains voltage voltage of the network to which the device is connected. · Show messages about high voltage displaying additional messages
about high voltage while taking measurements. · Show dangerous voltage warning displaying a warning about high
voltage occurring during measurement. · Allow reverse polarity IEC L-N allowing interchanged L and N wires of
an IEC cable. · Measurement acquisition delay here you can set the delay for starting
the measurement. · Delayed start of the tested device here you can set the delay for start-
ing the tested device when testing its security. · Visual test with R L-N when the option is active, the meter checks the
internal resistance of the object connected to it for e.g. short circuit. · Enable warning of unconnected appliance when the option is active,
the meter checks whether the tested device is connected to it. · ID auto increment creating new memory items with a unique ID for the
parent folder in sequential numbering. · Name auto increment creating new memory items according to previ-
ously selected names and types. · Temperature unit setting the unit of temperature displayed and stored in
the result after connecting the temperature probe.
Information

Here you can check information about the meter.

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1.5.7

Factory reset of the meter
You have several options in this menu.

· Meter memory optimization. Use this function, if:

there are problems with saving or reading measurements,

there are problems navigating through folders.

If this method does not correct the problem, use the “Reset the meter’s

memory” function.

· Resetting the meter’s memory. Use this function, if: restoring the meters memory did not correct the problem.
there are other problems preventing the use of the memory Before starting the deletion, we recommend that you transfer the data to a USB stick or a computer.

· Factory reset of the meter. All saved folders, measurements, user accounts and entered settings will be deleted.

After selecting the desired option, confirm your decision and follow the prompts.

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First steps

2.1 List of measurement functions
The list of available measurement functions varies depending on what is connected to the device. · By default, functions that do not require a power supply are displayed. · After connecting the power supply, the list of functions may expand. · After connecting the AutoISO adapter, the list of available measurement functions will be narrowed
down to those dedicated to the adapter.

2.2 Live mode

In some functions you can view the values read by the meter in a given measurement system.

Select measurement function.

Select the icon to expand/minimize the live readings panel.

Touching the panel expands it to full size. In this form, it presents additional information. You can close it with the icon.

2.3 Measurement settings

+/-

In the measurement menu, you can enter or edit the markings of wire pairs in the tested

object. The names (marking) may be:

· predefined,

· defined by user (after selecting Use your own wire markings).

+/L1/L2
…

The label icons lead to the labelling window of a pair of lines. The new markings cannot be the same as those already introduced.

The icon opens the window for adding the measurement of the next pair of conductors.

Tests require appropriate settings. To do this, select this icon in the measurement window. A menu will open with parameter settings (different items depend on the selected measurement).
If you have set limits, the meter will show if the result are within them. the result is within the set limit. the result is outside the set limit. assessment not possible.

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3.1 Electrical safety

Connections

3.1.1 Connections for EPA measurements

The connection layouts vary depending on what you want to measure. 3.1.1.1 Point-to-point resistance RP1-P2

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3.1.1.2 Point-to-ground resistance RP-G

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3.1.1.3 Surface resistance RS

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3.1.1.4 Volume resistance RV

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3.1.2 Connections for RISO measurements
During the measurement, make sure that test leads and crocodile clips do not touch each other and/or ground, because such a contact may cause the flow of surface currents resulting in additional error in measurement results. The standard way of measuring the insulation resistance (RISO) is the two-lead method.
In case of power cables measure the insulation resistance between each conductor and other conductors shorted and grounded (Fig. 3.1, Fig. 3.2). In shielded cables, the shield is also shorted.

Fig. 3.1. Measurement of an unshielded cable

Fig. 3.2. Measurement of a shielded cable

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In transformers, cables, insulators, etc. there is surface resistance that can distort the measurement result. To eliminate it, a three-lead measurement with G GUARD socket is used. An example of the application of this method is presented below.
Measurement of inter-winding resistance of a transformer. Connect G socket to the transformer tank, and RISO+ and RISOsockets to the windings.

RISO- shielded test lead

Measurement of insulation resistance between one of the windings and the transformer tank. G socket of the meter should be connected to the second winding, and RISO+ socket to the ground potential.

RISO- shielded test lead

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RISO- shielded test lead 1 cable jacket 2 cable shield
3 metal foil wrapped around conductor’s insulation 4 conductor

Measurement of cable insulation resistance between one of cable conductors and its shield. The effect of surface currents (important in adverse weather conditions) is eliminated by connecting a piece of metal foil insulating the tested conductor with G socket of the meter.
The same shall apply when measuring the insulation resistance between two conductors of the cable – other conductors that do not take part in the measurement are attached to G terminal.
Insulation resistance measurement of high voltage breaker. G socket of the meter is connected with the insulators of disconnector terminals.

RISO- shielded test lead

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3.1.3 Connections for RX, RCONT measurements
Low-voltage measurement of resistance is carried out in the following circuit.

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3.1.4 Measurements using the AutoISO-2511 adapter
Depending on the measurement facility and the established standards (each conductor to each or conductor to other shorted and grounded conductors), the measurement of the insulation resistance of wires or multi-core cables requires several connections. In order to shorten the measurement time and eliminate the inevitable connection errors, Sonel recommends an adapter that switches between individual pairs of conductors for the operator.
The AutoISO-2511 adapter is designed to measure the insulation resistance of cables and multicore wires with a measuring voltage of up to 2500 V. The use of the adapter eliminates the possibility of making a mistake, and significantly reduces the time needed to measure the insulation resistance between pairs of conductors. For example, for 4-core cables, the user will perform only one connection operation (i.e. connect the adapter to the facility), while the AutoISO-2511 will perform the crossing for six consecutive connections.

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3.2 Safety of electrical equipment
3.2.1 Connections for I measurements with clamp

Attach clamp around measured conductor.

3.2.2 Connections for I measurements with clamp

Attach clamp around L and N conductors.

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3.2.3 Connections for IPE measurements

Measurement with clamp. Attach clamp around PE conductor.

Measurement with test socket. Connect the mains plug of the tested appliance into the test socket of the tester . Addition-
ally, it is possible to carry out the measurement with the probe connected to T1 terminal socket .

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3.2.4

Connections in measurements of devices in protection class I, I in the socket, ISUB, RISO
ISUB measurement. For Class I: connect the mains plug of the tested appliance into the test socket.
I measurement with test socket. Connect the mains plug of the tested appliance into the test socket.
ISUB measurement with test socket. Connect the mains plug of the tested appliance into the test socket.
RISO measurement with test socket. Connect the mains plug of the tested appliance into the test socket of the tester. The measurement is made between L and N (which are shorted) and PE.

3.2.5

Connections in measurements of devices in protection class I and II, ISUB, IT, RISO
ISUB measurement. For Class II and accessible parts disconnected from PE in Class I: connect the probe to T2 terminal socket and touch the accessible parts of the tested appliance.
IT measurement. Connect the mains plug of the tested appliance into the test socket of the tester. Use the probe connected to T2 terminal socket and touch the accessible parts of the tested appliance (for Class I appliances touch accessible parts not connected to PE).
RISO measurement. Connect shorted L and N of the mains plug of the tested appliance to T1 terminal socket. Using the probe connected to T2 terminal socket touch the conductive accessible parts of the tested appliance.

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3.2.6 Connections for RISO measurements

Measurement in Class I appliances without using the test socket. Connect shorted L and N of the mains plug of the tested appliance to T1 terminal socket. Using the probe connected to T2 terminal socket touch the conductive accessible parts of the tested appliance.

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3.2.7 Connections for RPE measurements

Socket-probe measurement. Connect mains plug of the appliance under test into test socket of the tester. Using the probe connected to socket T2 touch metal parts of the tested appliance that are connected to PE.
Probe-probe measurement. Connect PE of the tested appliance’s mains plug into T1 terminal socket. Using the probe connected to socket T2 touch metal parts of the tested appliance that are connected to PE.

3.2.8 Connections in measurements of IEC devices RISO, RPE, IEC

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3.2.9 Connections in measurements of PRCD devices I, IPE, IT, RPE

3.2.10 Connections in measurements of PELV devices

Using the 1.5 m double-wire test lead, connect the low-voltage plug of the tested voltage source to the tester’s T1 socket. Then connect the voltage source to power.

3.2.11 Connections in the measurement of stationary RCDs
Connect the mains plug of the tester into the tested socket.

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3.2.12 Connections in welding machine measurements
3.2.12.1 Single-phase welding machine measurement of IL, RISO, U0 IL measurement. Variant with powering the welding machine from the meter’s test socket (only 1-phase, max. 16 A).
U0 measurement. Variant with powering the welding machine from the meter’s test socket (only 1-phase, max. 16 A).
RISO LN-S or RISO PE-S measurement. 1-phase appliance.

3.2.12.2 Single-phase welding machine measurement of IP

Measurement with test socket. Connect the mains plug of the tested appliance into the test socket of the tester. The T1 cable can be connected but does not have to be.

3.2.12.3 Single-phase welding machine measurement of IP using PAT-3F-PE adapter
Measurement with PAT-3F-PE adapter. Connecting a 1-phase 230 V appliance.

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3.2.12.4 Single-phase or three-phase welding machine measurement of RISO

Measurement of

RISO LN-S or RISO

PE-S.

3-phase

appliance or 1-

phase appliance

industrial socket.

3.2.12.5 Three-phase welding machine measurement of IL, U0

IL measurement. Variant with powering the welding machine directly from the mains socket.
U0 measurement. Variant with powering the welding machine directly from the mains socket.

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3.2.12.6 Three-phase welding machine measurement of IP using PAT-3F-PE adapter Measurement with PAT-3F-PE adapter. Connecting a 3-phase 16 A appliance.
Measurement with PAT-3F-PE adapter. Connecting a 3-phase 32 A appliance.

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3.2.13 Connections power test

Measurement without clamp. Connect the mains plug of the tested appliance into the test socket of the tester.

Measurement with clamp. Attach clamp around L conductor. To T1 socket connect L and N conductors of the power cord of the tested appliance.

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4 Measurements. Visual test

Select Visual test.

2 From the list of options that can be used, select the result of your inspection. Touch each item as many times as is needed to enter the appropriate test result: not performed, passed, failed, undefined (no clear assessment), not applicable (not applicable to a given aspect), omitted (intentional, deliberate omission, e.g. due to no access).

If any option you need is missing, you can add it to the list.

End the test.

4 The test summary screen will appear. Touching the bar with the result will reveal your selections from step 2. If you want to enter additional information about the study, expand the Attachments field and fill in the comment field.

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Measurements Electrical safety

5.1 DD Dielectric Discharge Indicator
The purpose of the test is to check the degree of moisture in the insulation of the tested object. The greater its moisture content, the greater the dielectric discharge current.
In the dielectric discharge test, after 60 seconds from the end of measurement (charging) of the insulation, the discharge current is measured. The DD is a value characterising the insulation quality independent from the test voltage.
The measurement operates in the following way: · First the insulation is charged with a current for a set period. If the voltage is not equal to the
set voltage, the object is not charged and the meter abandons the measurement procedure after 20 seconds. · After the charging and polarisation is complete, the only current flowing through the insulation is the leakage current. · Then the insulation is discharged and the total dielectric discharge current starts to flow through the insulation. Initially this current is the sum of the capacitance discharge current, which fades quickly with the absorption current. The leakage current is negligible, because there is no test voltage. · After 1 minute from closing the circuit the current is measured. The DD value is calculated using the formula:

DD = I1min U pr C
where: I1min current measured 1 minute after closing the circuit [nA], Upr test voltage [V], C capacitance [µF].

The measurement result indicates the status of the insulation. It may be compared with the following table.

DD value

Insulation condition

Bad

4-7

Weak

2-4

Acceptable

Good

To take a measurement, you must set ( ):
· nominal test voltage Un, · total duration of the measurement t, · limits (if necessary). The meter will suggest possible settings.

· Select DD measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

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5 s

Press and hold START button for 5 seconds. This will trigger a 5-second

countdown, after which the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button. Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

During the measurement, it is possible to display the graph (sec. 8.1).

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

You can now also display the graph (sec. 8.1).

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

In environments with strong electromagnetic interferences the measurement may be affected by an additional error.

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5.2 EPA measurements in the EPAs

In EPAs (Electrostatic Protected Areas) materials for protection against electrostatic discharge (ESD) are used. They are classified according to their resistance and resistivity characteristics.
ESD shielding materials full protection of this type is provided by a Faraday cage. An important material shielding from static discharges is conductive metal or carbon, which suppresses and weakens the energy of the electric field.
Conductive materials have low resistance, enabling the charges to move quickly. If the conductive material is grounded, charges flow away quickly. Examples of conductive materials: carbon, metalsconductors.
Charge-dissipating materials in these materials, charges flow to the ground more slowly than in the case of conductive materials, their destructive potential is reduced.
Insulating materials difficult to ground. Static charges remain in this type of material for a long time. Examples of insulating materials: glass, air, commonly used plastic packaging.

Material ESD discharge shielding materials
Conductive materials Charge dissipating materials
Insulating materials

Criteria RV > 100 100 RS < 100 k 100 k RV < 100 G RS 100 G

To take a measurement, you must set ( ):
· test voltage Un according to EN 61340-4-1: 10 V / 100 V / 500 V, · measurement duration t according to EN 61340-4-1: 15 s ± 2 s, · measurement method:
point-to-point resistance RP1-P2, point-to-ground resistance RP-G, surface resistance RS, volume resistance RV. · limits see evaluation criteria according to EN 61340-5-1 (table below).

Material Surfaces Floors Conductive packaging Load-dissipating packaging Insulating packaging

Criteria RP-G < 1 G RP1-P2 < 1 G RP-G < 1 G
100 RS <100 k
100 k RS <100 G
RS 100 G

Detailed guidelines can be found in the standards: IEC 61340-5-1, IEC/TR 61340-5-2, ANSI/ ESD S20.20, ANSI/ESD S541 and in the standards referred to in the above-mentioned documents.

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· Select EPA measurement.

· Select the measurement method (sec. 2.3).

· Enter the measurement settings (sec. 2.3).

2 Connect the measurement system according to the adopted measurement method (sec. 3.1.1).

5 s

Press and hold START button for 5 seconds. This will trigger a 5-second

countdown, after which the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button. Testing will continue until it reaches the preset time or until is pressed.

Touching the bar with the result reveals partial results.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device

where the result of the previously performed measurement

was saved.

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5.3 RampTest measurement with ramp test
Measurement with increasing voltage (RampTest) is to determine at which DC voltage value the insulation will (or will not) break down. The essence of this function is: · to test the measured object with the voltage increasing to the final value Un, · to check if the object will retain electrical insulating properties when the maximum voltage Un is
present there for the preset time t2. The measuring procedure is illustrated in the graph below.

Graph 5.1. Voltage supplied by the meter as a function of time for two exemplary increase rates
To perform the measurement, first set ( ):
· voltage Un voltage at which the rise is to end. It can be within the range of 50 V…UMAX, · time t total duration of the measurement, · time t2 time during which the voltage should be maintained on the tested object (Graph 5.1), · maximum short-circuit current ISC if during the measurement the meter reaches the preset
value it will enter the mode of current limit, which means that it will stop further increase of forced current on this value, · leakage current limit IL (IL ISC) if the measured leakage current reaches the preset value (a breakdown of the tested object occurs), the measurement is stopped and the meter displays the voltage at which it occurred.

· Select RampTest measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

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5 s

Press and hold START button for 5 seconds. This will trigger a 5-second count-

down, after which the measurement will start.

During the measurement, it is possible to display the graph (sec. 8.1).

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

You can now also display the graph (sec 8.1).

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to the

folder/device where the result of the previously performed measurement

was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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5.4 RISO insulation resistance
The instrument measures the insulation resistance by applying the measuring voltage Un to the tested resistance R and measuring the current I flowing through it. When calculating the value of the insulation resistance, the meter uses the technical method of resistance measurement (R = U/I).
To take a measurement, you must set ( ): · nominal test voltage Un, · duration of the measurement t (if allowed by the hardware platform), · times t1, t2, t3 needed for calculating absorption coefficients (if allowed by the hardware platform), · limits (if necessary). The meter will suggest possible settings.

5.4.1

Measurements with the use of test leads
WARNING The tested object must not be live.

· Select RISO measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

5 s

Press and hold the START button for 5 seconds. This will trigger a countdown, during which the meter does not generate a dangerous voltage, and the measure-

ment can be interrupted without the need to discharge the tested object. After the

countdown, the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button.

Testing will continue until it reaches the preset time or until is pressed.

Touching the bar with the result reveals partial results.

During the measurement, it is possible to display the graph (sec. 8.1).

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

UISO test voltage IL leakage current
You can now also display the graph (sec 8.1).

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device

where the result of the previously performed measurement

was saved.

· Disabling t2 time will also disable t3. · The timer measuring the measurement time is started when UISO voltage is stabilized. · LIMIT I informs of an operation with limited inverter power. If this condition persists for
20 seconds, the measurement is stopped.
· If the meter is unable to charge the capacitance of the tested object, LIMIT I is displayed and after 20 s the measurement is stopped.
· A short tone informs for every period of 5 seconds of time that has lapsed. When the timer reaches characteristic points (t1, t2, t3 times), then for 1 second, an icon of this point is displayed which is accompanied by a long beep.
· If the value of any of the measured partial resistance is out of range, then the value of the absorption coefficient is not shown and horizontal dashes are displayed.
· After completion of the measurement, the capacitance of the tested object is discharged by shorting RISO+ and RISO- terminals with resistance of ca. 100 k. At the same time, the message DISCHARGING is displayed, as well as the value of UISO voltage that is present at that time on the object. UISO decreases over time until it is fully discharged.

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5.4.2 Measurements using the AutoISO-2511 adapter

Select RISO measurement.

2 Connect the adapter according to sec. 3.1.4.

After connecting the adapter, the list of available measurement functions will be narrowed down to those dedicated to the adapter.
3 The screen displays the label of the connected adapter and the icon for selecting the number of wires of the tested object.

· Determine the number of wires of the tested object. · For each pair of conductors enter the measurement settings (sec. 2.3).

4 Connect the adapter to the tested object.

5 s

Press and hold the START button for 5 seconds. This will trigger a countdown,

after which the measurement will start.

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6 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

UISO test voltage IL leakage current
You can now also display the graph (sec. 8.1).

7 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the fold-

er/device where the result of the previously performed measurement

was saved.

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5.5 RISO 60 s Dielectric Absorption Ratio (DAR)

The dielectric absorption ratio (DAR) determines the state of insulation through the ratio of the measured resistance value at the two moments of measurement (Rt1, Rt2).
· Time t1 is the 15th or 30th second of measurement. · Time t2 is the 60. second of measurement. The DAR value is calculated using the formula:

where:
Rt2 resistance measured at time t2, Rt1 resistance measured at time t1.

DAR = Rt 2 Rt1

The measurement result indicates the status of the insulation. It may be compared with the following table.

DAR value <1

Insulation condition Bad

1-1,39

Undetermined

1,4-1,59

Acceptable

>1,6

Good

To take a measurement, you must set ( ):
· Test voltage Un, · time t1.

· Select DAR (RISO 60 s) measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

5 s

Press and hold the START button for 5 seconds. This will trigger a countdown, during which the meter does not generate a dangerous voltage, and the measure-

ment can be interrupted without the need to discharge the tested object. After the

countdown, the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button.

Testing will continue until it reaches the preset time or until is pressed.

Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

5.6 RISO 600 s Polarization Index (PI)

The polarization index (PI) determines the state of insulation through the ratio of the measured resistance value at the two moments of measurement (Rt1, Rt2).
· Time t1 is the 60th second of measurement. · Time t2 is the 600th second of measurement. The PI value is calculated using the formula:
PI = Rt2 Rt1
where: Rt2 resistance measured at time t2, Rt1 resistance measured at time t1.

The measurement result indicates the status of the insulation. It may be compared with the following table.

PI value

Insulation condition

Bad

1-2

Undetermined

2-4

Acceptable

Good

To perform a measurement, first set ( ) measurement voltage Un.

· Select PI (RISO 600 s) measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

5 s

Press and hold the START button for 5 seconds. This will trigger a countdown, during which the meter does not generate a dangerous voltage, and the measure-

ment can be interrupted without the need to discharge the tested object. After the

countdown, the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button.

Testing will continue until it reaches the preset time or until is pressed.

Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

The polarization index value obtained during a measurement in which Rt1 > 5 G should not be taken as a reliable assessment of insulation condition.

MeasureEffect USER MAUNAL

5.7 RX, RCONT low-voltage measurement of resistance

5.7.1 Autozero calibration of test leads
In order to eliminate the impact of the resistance of test leads on measurement result, the compensation (nulling) of their resistance may be performed.

Select Autozero.

2a 3b

Short the test leads. The meter will measure the resistance of test leads three times. It will then provide the result decreased by this resistance, while the resistance measurement window will show the massage Autozero (On).
To disable compensation of the resistance of leads, repeat step 2a with open test leads and press . Then the measurement result will contain the resistance of test leads, while the resistance measurement window will show the massage Autozero (Off).

5.7.2 RX measurement of resistance

Select RX measurement.

2 Connect test leads according to sec. 3.1.3.

Measurement starts automatically and lasts continuously.

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5.7.3 RCONT measurement of resistance of protective conductors and equipotential bonding with ±200 mA current

· Select RCONT measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.3.

Press START.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.
4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

The result is the arithmetic mean of the values of two measurements at a current of 200 mA with opposite polarities: RCONT+ and RCONT-.
R = RCONT+ + RCONT- 2

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5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device

where the result of the previously performed measurement

was saved.

MeasureEffect USER MAUNAL

5.8 SPD testing surge protecting devices
SPDs (surge protecting devices) are used in facilities with and without lightning protection installations. They ensure the safety of the electrical installation in the event of an uncontrolled voltage surge in the network, e.g. due to lightning. SPDs for protecting electrical installations and devices connected to them are most often based on varistors or spark gaps.
Varistor type surge protecting devices are subject to aging processes: the leakage current, which for new devices is 1 mA (as defined in the EN 61643-11 standard), increases over time, causing the varistor to overheat, which in turn may lead to a short circuit of its structure. The environmental conditions in which the surge protecting devices was installed (temperature, humidity, etc.) and the number of overvoltages correctly conducted to earth are also important for the life of surge protecting device.
The surge protecting device is subject to breakdown (discharges the surge impulse to ground) when the surge exceeds its maximum operating voltage. The test allows user to determine whether this is done correctly. The meter applies increasingly higher voltage to the surge protecting device with a specific voltage increase ratio, checking the value for which breakdown will occur.
The measurement is made with DC voltage. Since the surge arrester operate on AC voltage, the result is converted from DC voltage to AC voltage according to the following formula:
U AC = UDC 1.15 2
A surge protector can be considered faulty when the UAC breakdown voltage: · exceeds 1000 V then there is a break in the arrester and it does not have a protective function, · is too high then the installation protected by the arrester is not fully protected, as smaller over-
voltage surges may penetrate it, · is too low this means that the arrester may discharge to the ground signals close to the rated
voltage to ground.
Before the test: · check the safe voltages for the tested limiter. Make sure you don’t damage it with the test parame-
ters you set. In case of difficulties, follow the EN 61643-11 standard, · disconnect the limiter from the voltage disconnect the voltage wires from it or remove the insert
that will be tested.
To take a measurement, you must set ( ): · Un measurement voltage maximum voltage that can be applied to the limiter. The voltage in-
crease ratio also depends on its selection (1000 V: 200 V/s, 2500 V: 500 V/s), · UC AC (max) voltage limit parameter given on the housing of the tested limiter. This is the max-
imum voltage at which breakdown should not occur, · UC AC tol. [%] tolerance range for the actual breakdown voltage. It defines the range of
UAC MIN…UAC MAX, in which the actual voltage of the limiter should be included, where:
UAC MIN = (100% – UC AC tol) UC AC (max) UAC MAX = (100% + UC AC tol) UC AC (max)
The tolerance value should be obtained from materials provided by the limiter manufacturer, e.g. from the catalogue card. The EN 61643-11 standard allows a maximum of 20% tolerance.

MeasureEffect USER MAUNAL

· Select SPD measurement. · Enter the measurement settings (sec. 2.3).

Connect test leads:
2 · + to the surge protector’s phase terminal, · – to the surge protector’s earthing terminal.

5 s Press and hold START button for 5 seconds. This will trigger a 5-second countdown, after which the measurement will start.

Quick start (without a delay of 5 seconds) perform by sliding the START button.
The test will continue until the breakdown of the protector occurs or until is pressed.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

UAC AC voltage at which the protector breakdown occurred UAC DC voltage at which the protector breakdown occurred Detected:… – protector type identified
Un maximum DC measuring voltage MIN = UAC MIN lower limit of the range in which the UAC voltage should be included MAX = UAC MAX upper limit of the range in which the UAC voltage should be included UC AC (max) maximum operating voltage value given on the protector UC AC tol. tolerance range for the actual breakdown voltage of the protector

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device

where the result of the previously performed measurement

was saved.

MeasureEffect USER MAUNAL

5.9 SV measurements with a voltage increasing in steps
Measurement with step voltage (SV) indicates that regardless of the value of the test voltage, an object with good resistance properties should not significantly change its resistance. In this mode the meter performs a series of 5 measurements with step voltage; the voltage change depends on the set maximum voltage: · 250 V: 50 V, 100 V, 150 V, 200 V, 250 V, · 500 V: 100 V, 200 V, 300 V, 400 V, 500 V, · 1 kV: 200 V, 400 V, 600 V, 800 V, 1000 V, · 2.5 kV: 500 V, 1 kV, 1.5 kV, 2 kV, 2.5 kV, · Custom: you can enter any maximum voltage UMAX, which will be reached in steps of 1/5 UMAX.
For example 700 V: 140 V, 280 V, 420 V, 560 V, 700 V.

Available voltages depend on the hardware platform.

To perform a measurement, first set ( ): · maximum (final) measurement voltage Un, · total duration of the measurement t.
The end result for each of the five measurements is saved, which is signalled by a beep.

· Select SV measurement. · Enter the measurement settings (sec. 2.3).

2 Connect test leads according to sec. 3.1.2.

5 s

Press and hold START button for 5 seconds. This will trigger a 5-second count-

down, after which the measurement will start.

During the measurement, it is possible to display the graph (sec. 8.1).

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

You can now also display the graph (sec. 8.1).

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device

where the result of the previously performed measurement

was saved.

MeasureEffect USER MAUNAL

Measurements. Safety of electrical equipment

ICLAMP measurement of current with clamp

The purpose of the test is to measure the current that the tested device draws from the mains.

To take a measurement, you must set ( ): · test duration t, · whether the measurement is continuous or not (
button is pressed, = no time t is respected), · limit (if necessary).

= yes the test is continued until the STOP

WARNING

During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.

· Select ICLAMP measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the clamp according to sec. 3.2.1.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

t test duration

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5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.2 I differential leakage current
Differential leakage current I is, according to Kirchhoff’s first law, the difference of the values of the currents flowing in L and N wires of the test object in operation. The measurement enables determining the total leakage current of the object, i.e. the sum of all leaking currents, not only the one flowing through the protective conductor (for class I equipment). The measurement is performed as a replacement of the insulation resistance measurement.
To take a measurement, you must set ( ): · whether the measurement is continuous or not ( = yes the test is continued until the STOP
button is pressed, = no time t is respected), · test duration t, · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity), · test method, · limit (if necessary).
WARNING
· During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.
· During the measurement of a faulty appliance, RCD switch may be triggered off.

· Select I measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · measurement with test socket according to sec. 3.2.4, · measurement with clamp according to sec. 3.2.2, · measurement of PRCD according to sec. 3.2.9.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

MeasureEffect USER MAUNAL

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

· Differential leakage current is measured as a difference between L current and N current. This measurement takes into account not only current leaking to PE, but also currents leaking to other earthed elements – e.g. water pipe. The disadvantage of this measurement is the presence of common current (supplied to the tested appliance through L line and returning via N line), which influences the measurement accuracy. If this current is high, the measurement will be less accurate than the measurement of PE leakage current.
· The tested appliance must be turned on. · When Change polarity is set on Yes, after the set time duration is over the tester
automatically changes the polarity of the test mains socket and resumes the test. As a test result it displays the value of the higher leakage current. · The result of measurement may be affected by the presence of external fields and by the current used by the appliance. · If the tested appliance is damaged, signaling a 16 A fuse burnout may also mean that the overcurrent protection device in the mains from which the meter is powered has tripped.

MeasureEffect USER MAUNAL

6.3 IL welding circuit leakage current
IL current is the leakage current between the welding clamps and the protective conductor’s connector.
To take a measurement, you must set ( ): · test duration t, · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity), · test method, · limit (if necessary).

· Select IL measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · testing of 1-phase appliance measurement with test socket according to sec. 3.2.12.1, · testing of 3-phase appliance according to sec. 3.2.12.5.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.4 IP welding machine power supply circuit leakage current
This is the leakage current in the primary (power) circuit of the welding machine. During the testing, the following is required: · the welding energy source must be isolated from the ground, · the welding energy source must be powered using the rated voltage, · the welding energy source must be connected to the protective earthing via the measurement
system exclusively, · the input circuit must be in the no-load condition, · the interference suppression capacitors must be disconnected.
To take a measurement, you must set ( ): · whether the measurement is continuous or not ( = yes the test is continued until the STOP
button is pressed, = no time t is respected), · test duration t, · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity), · test method, · limit (if necessary).

· Select IP measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · measurement with test socket according to sec. 3.2.12.2, · testing of 1-phase appliance 230 V when it is powered from the mains according to sec. 3.2.12.3,
· testing of 3-phase appliance when it is powered from the mains according to sec. 3.2.12.6.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

MeasureEffect USER MAUNAL

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.5 IPE leakage current in the PE wire
IPE current is the current that flows through the protective conductor, when the equipment is in operation. It must not, however, be identified with the total leakage current as other leakage routes may exist in addition to the PE wire. Therefore, during the test, the tested equipment should be separated from the ground.
The measurement only makes sense if the RPE measurement was positive.
To take a measurement, you must set ( ): · whether the measurement is continuous or not ( = yes the test is continued until the STOP
button is pressed, = no time t is respected), · test duration t, · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity), · test method, · limit (if necessary).
WARNING
· During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.
· During the measurement of a faulty appliance, RCD switch may be triggered off.

· Select IPE measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · measurement with test socket or clamp according to sec. 3.2.3, · measurement of PRCD according to sec. 3.2.9.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

MeasureEffect USER MAUNAL

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

· PE leakage current is measured directly in PE conductor, which gives an accurate result even if the appliance consumes a current of 10 A or 16 A. Note that if the current does not leak to PE, but to other earthed elements (e.g. water pipe) it cannot be measured in this measurement function. In that case it is advised that the differential leakage current I method of testing should be used.
· Ensure that the location of the tested appliance is insulated.
· When Change polarity is set on Yes, after the set time duration is over the tester automatically changes the polarity of the test mains socket and resumes the test. As a test result it displays the value of the higher leakage current.
· If the tested appliance is damaged, signaling a 16 A fuse burnout may also mean that the overcurrent protection device in the mains from which the meter is powered has tripped.

MeasureEffect USER MAUNAL

6.6 ISUB substitute leakage current

Substitute (alternative) leakage current ISUB is a theoretical current. The tested equipment is powered from a reduced safe voltage source and the resulting current is scaled up to calculate the current that would flow with the rated power supply (which also makes this measurement the safest for the tester operator). The substitute current measurement is not applicable to the equipment that requires the full supply voltage for start-up.

· For Class I appliances, the measurement only makes sense if the RPE measurement was positive.
· ISUB current is measured at <50 V voltage. The value is rescaled to the nominal mains voltage value that is set in the menu (see sec. 1.5.5). The voltage is applied between L and N (that are shorted), and PE. The resistance of the measuring circuit is 2 k.

To take a measurement, you must set ( ): · test duration t, · test method, · whether the measurement is continuous or not (
button is pressed, = no time t is respected), · limit (if necessary).

= yes the test is continued until the STOP

· Select ISUB measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the protection class of the tested device: · Class I according to sec. 3.2.4, · Class II according to sec. 3.2.5.

Press START button.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

· Tested appliance must be turned on. · Test circuit is electrically isolated from the mains and from mains’ PE lead. · Test voltage is 25 V…50 V RMS.

MeasureEffect USER MAUNAL

6.7 IT touch leakage current
IT touch leakage current is the current flowing to the ground from a component insulated from the power supply circuit, when this component is shorted. This value is associated with the corrected touch current. This is the touch current that flows to earth through a probe simulating the resistance of a human being. The IEC 60990 standard gives a human resistance of 2 k, and this is also the internal resistance of the probe.
To take a measurement, you must set ( ): · whether the measurement is continuous or not ( = yes the test is continued until the STOP
button is pressed, = no time t is respected), · test duration t, · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity), · test method, · limit (if necessary).

WARNING
· During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.
· During the measurement of a faulty appliance, RCD switch may be triggered off.

· Select IT measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · measurement with probe according to sec. 3.2.5, · measurement of PRCD according to sec. 3.2.9.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

MeasureEffect USER MAUNAL

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

· When Change polarity is set on Yes, after the set time duration is over the tester automatically changes the polarity of the test mains socket and resumes the test. As a test result it displays the value of the higher leakage current.
· When tested appliance is powered from other socket, the measurement should be performed at both mains plug positions and as the result the higher current value should be accepted. When the appliance is powered from the tester’s socket in auto tests, L and N terminals are swapped by the tester.
· The bandwidth of test current results from the measuring system with adjusted touch current which simulates human perception and reaction, in accordance with IEC 60990.

MeasureEffect USER MAUNAL

6.8 IEC IEC cord test

The test includes checking wires continuity, short circuits between the wires, correctness of L-L and N-N connection, PE resistance and insulation resistance measurement.
To take a measurement, you must set ( ):
· measurement duration for RPE resistance t, · test current In, · RPE limit (maximum resistance of the PE lead), · measurement duration for RISO resistance t, · test voltage Un, · RISO limit (minimum insulation resistance), · change polarity (yes if the measurement is to be repeated for reverse polarity, no if the meas-
urement is performed for only one polarity).

· The selection of the polarization test mode depends on whether the test is carried out on a standard IEC cable (LV method) or a cable equipped with an RCD (HV method).
· During the polarity test in HV mode, the RCD will trip. It must be switched on within 10 seconds. Otherwise, the meter treats this as a broken circuit and returns a negative measurement result.

· Select IEC measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · IEC measurement (LV) according to sec. 3.2.8, · PRCD measurement (HV) according to sec. 3.2.9.

Press START button.

Testing will continue until it reaches the preset time or until Touching the bar with the result reveals partial results.

is pressed.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

Information about irregularities in the lead are displayed in the test results field.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.9 PELV test of PELV appliances

The test consists in checking whether the source generates extra-low voltage within limits.

To take a measurement, you must set ( ):
· whether the measurement is continuous or not (
button is pressed, = no time t is respected), · test duration t, · lower limit, · upper limit.

= yes the test is continued until the STOP

· Select PELV measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to sec. 3.2.10.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.10 PRCD testing PRCD devices (with built-in RCD)

Per the EN 50678 standard for equipment with additional protection measures like RCD, PRCD or other switches, the switch activation test must be performed according to its specification and characteristics. One should look for the detailed information on the housing or in the technical documentation. The measurement procedure contains polarity check of the cord.
To take a measurement, you must set ( ): · waveform (shape of the test current), · test type (tripping current Ia or tripping time at a given multiplication factor of rated current ta), · RCD nominal current In, · type of the tested circuit breaker RCD.
WARNING
During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.

· Select PRCD measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the tested object according to sec. 3.2.9.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

MeasureEffect USER MAUNAL

6.11 RCD measurement of fixed RCD parameters

Per the EN 50678 standard for equipment with additional protection measures like RCD, PRCD or other switches, the switch activation test must be performed according to its specification and characteristics. One should look for the detailed information on the housing or in the technical documentation.
To take a measurement, you must set ( ): · waveform (shape of the test current), · test type (tripping current Ia or tripping time at a given multiplication factor of rated current ta), · RCD nominal current In, · type of the tested circuit breaker RCD.

· Select RCD measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to sec. 3.2.11.

Press START button.

Switch on the RCD every time it trips. Touching the bar with the result reveals partial results.
4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

MeasureEffect USER MAUNAL

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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6.12 RISO insulation resistance
Insulation constitutes the basic form of protection and determines the safety of the device’s use in Class I and Class II. The scope of the check must encompass the power supply cable. The measurement should be performed using 500 V DC. For devices with built-in surge protectors, SELV/PELV devices and IT equipment, testing should be carried out with a voltage reduced to 250 V DC.

The measurement only makes sense if the RPE measurement was positive.

To take a measurement, you must set ( ):
· test duration t, · test voltage Un, · test method, · whether the measurement is continuous or not (
button is pressed, = no time t is respected), · limit (if necessary).

= yes the test is continued until the STOP

· Tested appliance must be turned on. · Test circuit is electrically isolated from the mains and from mains’ PE lead. · Test result should be read only after displayed values are stabilized. · After the measurement the tested object is automatically discharged.

· Select RISO measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the tested object: · Class I appliance socket method according to sec. 3.2.4, · Class I appliance probe-probe method according to sec. 3.2.6, · Class II or III appliance socket-probe method according to sec. 3.2.5, · IEC cord IEC method according to sec. 3.2.8.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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6.13 RISO LN-S, RISO PE-S insulation resistance in welding machines

Welding machine insulation resistance testing is divided into multiple stages. · Measuring the insulation resistance between the power supply circuit and the welding circuit. · Measuring the insulation resistance between the power supply circuit and the protective circuit. · Measuring the insulation resistance between the welding circuit and the protective circuit. · Measuring the insulation resistance between the power supply circuit and the exposed conductive
parts (for Class II protection).
Tests consist of measuring insulation resistance: · between shorted primary side conductors (L and N) and secondary winding of the welding ma-
chine (RISO LN-S), · between the PE conductor and the secondary winding of the welding machine (RISO PE-S).
For Class I appliances, the measurement only makes sense if: · the RPE measurement was positive and · the standard RISO measurement was positive.

To take a measurement, you must set ( ):
· test duration t, · test voltage Un, · whether the measurement is continuous or not (
button is pressed, = no time t is respected), · limit (if necessary).

= yes the test is continued until the STOP

· Select RISO LN-S or RISO PE-S measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the tested object: · RISO LN-S or RISO PE-S measurement. 1-phase appliance according to sec. 3.2.12.1, · RISO LN-S or RISO PE-S measurement. 3-phase appliance or 1-phase appliance that is powered by an industrial socket according to sec. 3.2.12.4.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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6.14 RPE protective conductor resistance

6.14.1 Autozero calibration of test leads
In order to eliminate the impact of the resistance of test leads on measurement result, the compensation (nulling) of their resistance may be performed.

Select Autozero.

To enable cable resistance compensation, connect the cable to the T2 socket and to the PE of the TEST socket and press . The meter will determine the resistance of the test leads for
25 A and 200 mA currents. As part of the measurements, it will provide results minus this resistance, and the Autozero (On) message will appear in the resistance measurement window.

To enable cable resistance compensation, disconnect the cable from PE of the TEST socket
2b and press . As part of the measurements, the results will include the resistance of the test leads, while the resistance measurement window will show the Autozero (Off) message.

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6.14.2 RPE protective conductor resistance

A continuity check or, in other words, a measurement of the protective conductor’s resistance is carried out to verify if the available conductive components are connected properly. In other words, the aspect measured is the resistance between the protective contact of the plug (for permanentlyconnected devices, the connection point) and the metal parts of the device’s housing, which should be connected to the PE wire. This test is performed for Class I devices.
At the same time, it should be noted that also there are devices equipped with a PE wire in Class II as well. This is functional earthing. Most commonly, it is not possible to check for continuity without dismantling the device. In such situations, only Class II-specific tests are to be performed.

To take a measurement, you must set ( ):
· test duration t, · test method, · rated current In of the tested object, · whether the measurement is continuous or not (
button is pressed, = no time t is respected), · limit (if necessary).

= yes the test is continued until the STOP

· Select RPE measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to the selected method: · socket-probe or probe- probe according to sec. 3.2.7, · measurement of IEC cord according to sec. 3.2.8, · measurement of PRCD according to sec. 3.2.9.

Press START button.

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5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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6.15 U0 welding machine voltage without load
When the welding machine is powered using the rated voltage at the rated frequency, the peak values of the no-load voltage (U0) generated by the machine should not exceed the values given on the nameplate at either of the possible machine settings. Measurements of two quantities are distinguished: PEAK and RMS. Check that the PEAK voltage value meets the ±15% welder UN value condition, and that it does not exceed the values given in Table 13 of the IEC 60974-1_2018-11 standard.
To take a measurement, you must set ( ): · secondary voltage of the welder U0, read from its nameplate, · secondary voltage type of the welding machine, · RMS limit (if you selected voltage type = AC), · PEAK limit (if you selected voltage type = AC or DC), · limit-rated voltage of the primary side of the welding machine only if you want to check the
±15% PEAK criterion (lack of entered value disables the control).
· In Limit PEAK and Limit RMS fields select the acceptable values. Both parameters are chang-ing at the same time, as they are interrelated by the following relationship: limit PEAK = 2 limit RMS
…wherein, if voltage = DC, then Limit RMS is disabled. · ±15% PEAK field is responsible for checking whether the measured U0voltage is within
the limits defined by the standard. · If voltage = AC, then U0(PEAK) is checked. · If voltage = DC, then U0(RMS) is checked.

· Select U0 measurement. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system depending on how the welding machine is powered: · 1-phase welding machine according to sec. 3.2.12.1, · 3-phase welding machine according to sec. 3.2.12.5.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

· Positive test result:
· DC voltage: U0 limit PEAK · AC, DC voltage: U0 limit RMS · Optional: the criterion of ±15% PEAK for AC voltage:
U0 115% limit PEAK U0 85% limit PEAK · Optional: the criterion of ±15% PEAK for DC voltage: U0 115% limit RMS U0 85% limit RMS · Negative test result: U0 does not meet at least one of the above conditions.

5 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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6.16 Functional test
Notwithstanding the protection class, finalising the testing procedure requires a functional test especially following repairs! (per the EN 50678 standard). It entails measuring the following parameters: · idle current, · L-N voltage, · PF coefficient, cos, current THD, voltage THD, · active, reactive and apparent power values. The measurement values must be compared with the parameters of the nameplate, followed by assessment of the object. Moreover, during the measurement, i.e. when the device is operating, its work culture needs to be assessed. An experienced operator will be able to assess the commutator’s condition (whether it flashes or not), bearing wear (sounds and vibrations), as well as detect other faults.

If the tested appliance is damaged, signaling a 16 A fuse burnout may also mean that the overcurrent protection device in the mains from which the meter is powered has tripped.

WARNING

During the measurement, the same mains voltage is present at the measuring socket which powers the tested appliance.

To take a measurement, you must set ( ):
· whether the measurement is continuous or not ( button is pressed, = no time t is respected),
· test duration t, · test method.

= yes the test is continued until the STOP

· Select Functional test. · Enter the measurement settings (sec. 2.3).

2 Connect the measuring system according to sec. 3.2.13.

Press START button.

Testing will continue until it reaches the preset time or until is pressed. Touching the bar with the result reveals partial results.

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4 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

Compare the result with the technical data of the tested appliance. The assessment of the
5 correctness of the test results can be performed by selecting the proper field in Positive test result or Negative test result. When saving test results in the memory, this assessment will also be saved along with the results.

6 You may do the following with the measurement result:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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Automatical tests

7.1 Safety of electrical equipment

7.1.1 Performing automatic measurements

In this mode, readiness for the next measurement occurs without the need of returning to the menu.

Go to the Procedure section.

· Select the appropriate procedure from the list. You can use the browser for assistance.

· By touching the name label you can display its properties.

Enter the procedure. Here you can:

Set how the procedure will be performed.

· Fully automatic ( Auto) every subsequent test will be executed

without the need for the user’s approval (provided that the previous

Auto

test result is positive), · Semiautomatic (Auto) upon completing each test the tester will

stop the sequence and the readiness for the next test will be indicated

on screen. Commencing subsequent test will require pressing

START button,

Multibox enable or disable the Multibox function. See also sec. 7.1.3,

change the settings of stages (component measurements) of the procedure. See also sec. 2.3,

display the properties of the procedure,

edit the procedure as in sec. 7.1.2, i.e.:

change stage settings,

change the order of stages,

delete stages,

add further stages,

save the procedure.

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Press START button.

…

If the Multibox is turned on, perform the desired number of measurements for each of the measured values. Then proceed to measure the next quantity.

The test will continue until all measurements are completed or until the user presses .
Touching the bar with the result reveals partial results.

5 After the measurement is completed, you can read the result. Touching the bar with the result will now also reveal partial results.

6 You may do the following with the measurement results:

ignore and exit to the measurement menu,

repeat it (the selection window for the measurement you want to repeat will be shown),

SAVE save to memory,

SAVE AND ADD create a new folder/device which is equivalent to

the folder/device where the result of the previously performed meas-

urement was saved,

SAVE TO THE PREVIOUS ONE save the result in the folder/device where the result of the previously performed measurement was saved.

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7.1.2 Creating measurement procedures

Go to the Procedure section.

Add a new procedure. Enter its name and ID.

· Add stages (component measurements).

· Tap an item to select it. Tap it again to deselect it.

· Confirm the stage list.

Now you can:

change stage settings, change the order of stages,
delete stages, add further stages, save the procedure.

7.1.3 Multibox function
The Multibox function is disabled by default (Multibox). Use Sonel PAT Analysis software to permanently enable an user procedure.
Enabling this function ( Multibox) allows the user to perform multiple measurements of the parameter – except for power. The function is especially useful in situations when multiple measurements in a single object are required.
· Each measurement of the same parameter is treated as separate. · Another measurement of the same parameter is started with icon. · To enter the measurement of the next value press icon. · All results are saved to memory. Measuring circuit for each test is the same as for its corresponding manual measurement.

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8.1 RISO graphs

8 Special features

During the RISO measurement, it is possible to display the graph. Using the options on the top bar, you can display:

· a graph for the required pair of wires,

· the data set to be presented.

You can also open the graph after the measurement is finished.

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W During or after the measurement, you can display or hide the sub-result for a given second of the test. To do this, simply touch the point on the graph that inter-

ests you.

Description of function icons

+/L1/L2 user

Marking the measured pair of conductors. If a measurement is in progress, only the currently measured pair is available

Switching to the shortened graph (last 5 seconds of the measurement)

Fitting the entire graph on the screen Scrolling the graph horizontally Extending the graph horizontally

Narrowing the graph horizontally

Return to the measurement screen

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8.2 Correcting the RISO value to the reference temperature
The meter has the ability to convert the RISO measurement value to resistance values at reference temperatures acc. to the ANSI/NETA ATS-2009 standard. To obtain these results, the user has to:
· enter the temperature value manually or · connect the temperature probe to the instrument.
The following options are available: · RISO converted to a value at 20ºC for oil insulation ((applies i.e. to insulation in cables), · RISO converted to a value at 20ºC for solid insulation (applies i.e. to insulation in cables), · RISO converted to a value at 40ºC for oil insulation (applies i.e. to insulation in rotating machinery), · RISO converted to a value at 40ºC for solid insulation (applies i.e. to insulation in rotating machinery).

8.2.1 Correction without the temperature probe

Perform the measurement.

Save the result in the memory

Go to this result in the memory of the meter.

4 Enter the temperature of the tested object and the type of its insulation. Then the meter will convert the measured resistance into the resistance at the reference temperature: 20°C (RISO k20) and 40°C (RISO k40).

To obtain a temperature reading, you can also connect a temperature probe to the meter and enter its reading. See sec. 8.2.2, step 1.

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8.2.2

Correction with the temperature probe
WARNING
To ensure user safety, it is not allowed to mount the temperature probe on objects with voltage higher than 50 V to earth. It is advisable to ground the examined object before mounting the probe.

1 Connect the temperature probe to the meter. The temperature measured by the instrument is displayed at the top of the screen.

2 3 4

Perform the measurement. Save the result in the memory Go to this result in the memory of the meter.

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Enter the type of insulation of the tested object; the temperature at which the measurement
5 was performed will be stored in the memory and cannot be changed. The meter will convert the measured resistance into the resistance at the reference temperature: 20°C (RISO k20) and 40°C (RISO k40).
You will change the temperature unit by following sec. 1.5.5.

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8.3 Label printing

Connect the printer to the meter (sec. 8.3.1).

Enter printing settings (sec. 8.3.2).

Perform the measurement.

Print the report label (sec. 8.3.3).

8.3.1 Connecting the printer

8.3.1.1 Wire connection

Connect the printer to one of the USB Host sockets.

The printer is visible in Settings Accessories.

8.3.1.2 Wireless connection

Turn on the printer and wait until it starts broadcasting its Wi-Fi network.

In the meter go to Settings Meter Communication Wi-Fi.

Select the network broadcast by the printer. The printer will connect to the meter within 90 seconds.

The printer is visible in Settings Accessories.

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8.3.2 Printing settings

Go to Settings Accessories Printing.

Enter the common printing settings. Here you can set:

· QR code type
· Standard stores all information about the tested device: identifier, name, measurement procedure number, technical data, location in memory, etc.
· Shortened stores only the ID of the tested device and its location in the meter’s memory.
· Properties of automatic printouts
· Print automatically after measurement automatic printing after the test is completed.
· Folding label a label with a mark that makes it easier to wrap the label on the cable.
· Object label label with the device test result. · Label of related objects a label with the test result of the device and
the object related to it (e.g. IEC power cable).
· RCD label a label with the RCD test result. · Print lines indicating number of months before next tests should be
performed. Printing lines on the left, right or both sides of the label depending on the number of months after which another device test should be performed. For example:

[3] the line on the left side of the printout indicates a 3-month cycle.

[6] the line on the right side of the printout indicates a 6-month cy-

cle.

[12] the line on the left and right side of the printout indicates a 12-

month cycle.

[0] [0] [0] no line variant is printed, which means a non-

standard cycle. · Additional label description annotation entered manually by the user.

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Enter printer-specific settings. Here you can set:

· Object label format
· Detailed contains a list of questions of the visual examination together with the assessment and the results of individual measurements with the assessment.
· Standard includes overall result of the test, logos and additional data (name of the device, measuring person).
· Shorted similar to standard format but without the logo and additional information.
· Mini only the identifier, name and QR code of the tested device are printed.
· Other settings
· Additional label description whether to include it or not. · Measurement comment include it or not. · Description of the tested object include it or not.

Settings can be changed through Sonel PAT Analysis software, after connecting the tester to PC.

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8.3.3 Printing a label with the report
Printing may be performed in several cases: When the Print Label window is shown, check the box corresponding to the selected device testing period (see sec. 8.3.2 ).

When browsing the memory after adding a newly purchased device (not tested yet) with factory security confirmation. Such a memory cell does not contain measurement

results, but it contains identification data and device parameters (if they have been

entered). Select icon . Before you print the label using the PRINT command,

you can: · change the printer settings ( ),

· choose label format,

· change the common printing settings ( ).

In this case, the label will indicate that the next test of the device should be performed

after 6 months.

When viewing memory. If you have entered a cell containing data, select icon .

Before you print the label using the PRINT command, you can: · change the printer settings ( ),

· choose label format,

· change the common printing settings ( ).

After completing a single measurement. Select SAVE. If the Print automatically after measurement (sec. 8.3.2 ) option is:

· active, the label is printed immediately, · inactive, the meter will ask about printing.

After completing the measurement in automatic mode. When the result is presented, the meter will ask about printing.

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Memory of the meter

Memory structure and management
The memory of measurement results is in a tree structure. It consists of parent folders (maximum 100) in which child objects are nested (maximum 100). The number of these objects is unlimited. Each of them has sub-objects. The maximum total number of measurements is 9999.
Viewing and managing the memory structure is very simple and intuitive see the tree below.

Add new: folder
instrument
measurement (and go to the measurement menu to select and take a measurement) Enter the object and:
show options
show object details edit details of the object (enter/edit its characteristics)
Select the object and:
select all objects delete selected objects
· In the memory menu you can see how many folders ( ) and measurement results ( ) are present in a given object.
· When the number of results in the memory reaches the maximum, saving the next one is only possible provided by overwriting the oldest result. In this situation, the meter will display an appropriate warning before saving.

9.2 Search function
To find the desired folder or object faster, use the search function. After selecting icon enter the name of what you are looking for and tap on the appropriate result to proceed.

, simply

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9.3 Saving measurement result data to the memory
You can save measurements in two ways: · by performing a measurement and then assigning it to an object in the memory structure ( ), · by entering an object in the memory structure and making a measurement from this level
( ).
However, you won’t save them directly to parent folders. You will need to create a child folder for them.

9.3.1 From the measurement result to the object in memory

End the measurement or wait for it to be completed.

Save the result in the memory (SAVE).

Create a new folder/device which is equivalent to the folder/device where

the result of the previously performed measurement was saved (SAVE

AND ADD).

Save the result in the folder/device where the result of the previously performed measurement was saved (SAVE TO THE PREVIOUS ONE).

If you have selected the SAVE option, the window for selecting the save location selection window will open. Select the right one and save the result in it.

9.3.2 From the object in memory to the measurement result

In the meter’s memory, go to the location where the results are to be saved.

Select the measurement you want to perform

Perform the measurement.

Save the result in the memory.

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10 Software update

1 Download the update file from the manufacturer’s website.

2 Save the update file to a USB stick. The stick must be formatted as a FAT32 file system.

Turn the meter on.

Enter Settings.

Go to Meter Update.

Insert the USB stick into the port of the meter.

Select UPDATE (USB).

8 Watch the update progress. Wait until it’s finished. You will be informed about the update result with an appropriate message.
· Before starting the update, charge the meter battery to 100%. · The update will start if the software version on the USB stick is newer than the version
currently installed on the meter. · Do not turn off the meter while the update is in progress. · During the update, the meter may turn off and on automatically.

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Troubleshooting

Before sending the instrument for repairs, contact our service department. It maybe possible that the meter is not damaged, and the problem has been caused by some other reasons.
The meter can only be repaired at outlets authorized by the manufacturer. Troubleshooting of typical problems during the use of the meter is described in the table below.

Symptom There are problems with saving or reading measurements.
There are problems navigating through folders.

Action Optimize the meter’s memory (sec. 1.5.7).

Repairing the meter’s memory did not bring the expected results.
Reset the meter’s memory (sec. 1.5.7).
There are problems preventing the use of memory.

Operation of the meter is noticeably slower: long response to touching the screen, delays when navigating through Reset the meter to the factory settings (sec. 1.5.7). the menu, long saving to memory, etc.

FATAL ERROR message and error code.

Contact the customer service centre and provide the error code to get help.

The meter does not respond to user actions.

Press and hold the the meter.

button for ca. 7 seconds to turn off

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Additional information displayed by the meter

12.1 Electrical safety

NOISE LIMIT I HILE
UDET UN>50 V
DISCHARGING

Obecno napicia pomiarowego na zaciskach miernika.
Interference voltage lower than 50 V DC or 1500 V AC is present on the tested object. Measurement is possible but may be burdened with additional error.
Activation of current limit. The symbol displayed is accompanied by a continuous beep.
Breakdown of the tested object insulation, the measurement is interrupted. The message appears after LIMIT I displaying for 20 s during the measurement, when the voltage previously reached the nominal value.
Dangerous voltage on the object. The measurement will not be performed. In addition to the displayed information: · UN voltage value at the object is displayed, · a two-tone beep is generated, · red LED flashes.
Discharging the object in progress.

12.2 Safety of electrical equipment

Voltage on the meter! Too high U L-N!

Voltage UN-PE > 25 V or lack of PE continuity, measurements are blocked. Mains voltage > 265 V, measurements are blocked.
Correct polarity of power supply (L and N), measurements possible.
Incorrect polarity of power supply, swapped L and N in the power supply socket of the tester. The meter automatically swaps L and N in the test socket measurements are possible. Lack of continuity in conductor L.
Lack of continuity in conductor N.
Short circuit of L and N wires.

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Manufacturer

The manufacturer of the device and provider of guarantee and post-guarantee service:

SONEL S.A. Wokulskiego 11 58-100 widnica
Poland tel. +48 74 884 10 53 (Customer Service)
e-mail: customerservice@sonel.com web page: www.sonel.com

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Documents / Resources

sonel MPI-540 Multi Function Meter [pdf] User Manual
MPI-540 Multi Function Meter, MPI-540, Multi Function Meter, Function Meter, Meter

References

User Manual

sonel MPI-540 Multi Function Meter

Product Information

Product Usage Instructions

FAQ

Interface and configuration

First steps

Connections

Measurements Electrical safety

Automatical tests

Memory of the meter

Troubleshooting

Additional information displayed by the meter

Manufacturer

Documents / Resources

References

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