KERN PEJ Precision Laboratory Balance Max Scale Instruction Manual

The precision balance consists of various components including
operating elements, a keyboard, numeric entry, and a display for
accurate weight measurements.

2. Basic Information:

Proper Use: Ensure the balance is used for its intended
purpose.

Improper Use: Avoid using the balance in ways not
specified in the manual to prevent damage.

Warranty: Refer to the warranty terms provided for
coverage details.

Monitoring of Test Resources: Regularly check and
maintain test resources for accurate measurements.

3. Basic Safety Precautions:

Pay attention to the instructions in the Operation
Manual: Follow all safety guidelines outlined in the
manual.

Personnel training: Ensure that personnel operating the
balance are properly trained.

4. Transport and Storage:

Testing upon acceptance: Test the balance upon receipt
to ensure proper functioning.

Packaging / return transport: Keep the original
packaging for safe transportation if needed.

5. Unpacking, Installation, and Commissioning:

Follow the provided instructions for unpacking, installing, and
commissioning the precision balance.

6. Menu Operations:

The menu allows access to various functions including a menu
overview and navigation options for customization.

7. Basic Operation:

Turn on/off: Power on or off the balance as needed.

Zeroing: Zero the balance before weighing to ensure
accurate measurements.

Taring: Use taring function to account for container
weight.

8. Piece Counting:

Utilize the piece counting feature for accurate counting of
multiple items based on weight.

Frequently Asked Questions (FAQ):

Q: How do I calibrate the precision balance?

A: Calibration instructions can be found in the operation manual
provided with the product. It is recommended to calibrate regularly
for precise measurements.

Q: Can the precision balance be connected to a computer?

A: Yes, some models may have connectivity options. Refer to the
product specifications or contact customer support for more
information on computer connectivity.

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KERN & Sohn GmbH

Ziegelei 1 D-72336 Balingen E-Mail: info@kern-sohn.com

Phone: +49-[0]7433- 9933-0 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com

Operating instructions Precision balance
KERN PES/PEJ
Version 2.0 2024-06 GB

TPES-B_TPEJ-B-BA-e-2420

KERN PES/PEJ

Version 2.0 2024-06

Operating instructions

Precision balance

Contents

1 Technical data …………………………………………. 4

2 Declaration of conformity…………………………………. 7

3
3.1 3.2 3.3 3.3.1 3.4

Appliance overview ……………………………………… 8
Components ……………………………………………………….8 Operating elements ………………………………………………… 10 Keyboard overview …………………………………………………. 11 Numeric entry …………………………………………………………. 12 Display ………………………………………………………….. 13

4 Basic Information (General) ………………………………. 15
4.1 Proper use ……………………………………………………….. 15 4.2 Improper Use ……………………………………………………… 15 4.3 Warranty…………………………………………………………. 15 4.4 Monitoring of Test Resources…………………………………………. 15

5 Basic Safety Precautions ………………………………… 16
5.1 Pay attention to the instructions in the Operation Manual ……………………. 16 5.2 Personnel training …………………………………………………. 16

6 Transport and storage ………………………………….. 16
6.1 Testing upon acceptance…………………………………………….. 16 6.2 Packaging / return transport ………………………………………….. 16

7
7.1 7.2 7.3 7.3.1 7.3.2 7.4 7.4.1 7.4.2 7.5 7.6

Unpacking, Installation and Commissioning………………….. 17
Installation Site, Location of Use ………………………………………. 17 Unpacking and check……………………………………………….. 18 Assembling, Installation and Levelling ………………………………….. 19 Implantation of the balance ………………………………………………. 19 Installation of the wind shield ……………………………………………… 20 Mains connection ………………………………………………….. 21 Installation of the mains adapter …………………………………………… 21 Turning On the Power …………………………………………………… 22 Initial Commissioning ………………………………………………. 22 Connection of peripheral appliances ……………………………………. 22

8
8.1 8.1.1 8.2 8.2.1 8.3

Menu ……………………………………………….. 23
Menu <Func> ……………………………………………………… 23 Menu overview ………………………………………………………… 23 Enhanced menu <Func2> ……………………………………………. 24 Menu overview ………………………………………………………… 24 Navigation in the menu ……………………………………………… 25

9 Basic Operation ……………………………………….. 26
9.1 Turn on/off ……………………………………………………….. 26 9.2 Zeroing ………………………………………………………….. 27 9.3 Taring …………………………………………………………… 27

TPES-B_TPEJ-B-BA-e-2420

9.4 Selection of a weighing application …………………………………….. 29 9.5 Simple weighing …………………………………………………… 29 9.6 Underfloor weighing………………………………………………… 30
10 Piece counting ………………………………………… 31
11 Percent weighing ………………………………………. 34
12 Density determination…………………………………… 37
12.1 Density Table for liquids …………………………………………….. 41 12.2 Data output of the specific density to a printer ……………………………. 42
13 Weighing with tolerance range ……………………………. 43
13.1 Selection of weighing function with tolerance range ……………………….. 44 13.2 Set distinction condition …………………………………………….. 44 13.3 Setting the distinction range ………………………………………….. 44 13.4 Set the number of tolerance limits ……………………………………… 45 13.5 Set distinction method ………………………………………………. 45 13.6 Set acoustic signal …………………………………………………. 46 13.7 Set tolerance display ……………………………………………….. 46 13.8 Set data output ……………………………………………………. 47 13.9 Setting the tolerance values ………………………………………….. 48 13.9.1 Absolute values ……………………………………………………… 48 13.9.2 Differential values ……………………………………………………. 51 13.10 Weighing the samples …………………………………………….. 54
14 Totalization …………………………………………… 55
14.1 Select the Totalizing function …………………………………………. 55 14.2 Using the totalizing function ………………………………………….. 56 14.2.1 TOTAL-Adding ………………………………………………………. 56 14.2.2 NET-Adding ………………………………………………………… 57 14.3 Clear the total sum …………………………………………………. 57
15 Settings ……………………………………………… 58
15.1 Zero-Tracking …………………………………………………….. 58 15.2 Stability settings …………………………………………………… 58 15.2.1 Sensitivity ………………………………………………………….. 58 15.2.2 Display speed……………………………………………………….. 58 15.3 Bar graph display ………………………………………………….. 58 15.4 Automatic Sleep function ……………………………………………. 59 15.5 Setting the weighing units……………………………………………. 60 15.6 Date and time……………………………………………………… 60 15.6.1 Set display format ……………………………………………………. 60 15.6.2 Setting time and date …………………………………………………. 60 15.7 Automatic switch-on function…………………………………………. 62
16 Enhanced settings……………………………………… 63
16.1 Balance identification number ………………………………………… 63 16.2 Measurement incertainty of the external adjustment weight ………………….. 64 16.2.1 Enter measurement incertainty ………………………………………….. 64 16.2.2 Take over measurement deviation ……………………………………….. 65
17 Adjustment …………………………………………… 66
17.1 Adjustment with internal weight ……………………………………….. 66 17.2 Adjustment test with internal weight ……………………………………. 67 17.3 Adjustment with external weight ………………………………………. 68 17.4 Adjustment test with external weight……………………………………. 69 17.5 Adjustment record …………………………………………………. 70

TPES-B_TPEJ-B-BA-e-2420

18 Verification …………………………………………… 71
19 Interfaces ……………………………………………. 72
19.1 RS-232C interface for data input and output ……………………………… 72 19.1.1 Technical data ………………………………………………………. 72 19.1.2 Interface cable ………………………………………………………. 73 19.2 DIN8P-interface to the data output ……………………………………… 73 19.2.1 Technical data ………………………………………………………. 73 19.3 Formats of the data output (6/7-digits) ………………………………….. 74 19.3.1 Data composition…………………………………………………….. 74 19.3.2 Data description……………………………………………………… 75 19.4 Formats of the data output (special format 1) …………………………….. 77 19.4.1 Data composition…………………………………………………….. 77 19.4.2 Data description……………………………………………………… 77 19.4.3 Error messages ……………………………………………………… 78 19.5 Formats of the data output (special format 2) …………………………….. 79 19.5.1 Data composition…………………………………………………….. 79 19.5.2 Data description……………………………………………………… 79 19.5.3 Error messages ……………………………………………………… 80 19.6 Data output formats (CBM) …………………………………………… 81 19.6.1 Data composition…………………………………………………….. 81 19.6.2 Data description……………………………………………………… 81 19.7 Data input………………………………………………………… 84 19.7.1 Input format 1 ……………………………………………………….. 84 19.7.2 Input format 2 ……………………………………………………….. 86 19.8 Response formats………………………………………………….. 88 19.8.1 A00/Exx Format ……………………………………………………… 88 19.8.2 ACK/NAK Format ……………………………………………………. 88 19.9 Communication settings …………………………………………….. 89 19.9.1 Enable / disable interface and data format …………………………………. 89 19.9.2 Change communication settings …………………………………………. 90 19.9.3 Interval output ………………………………………………………. 92 19.10 Output functions…………………………………………………. 93 19.10.1 GLP-compliant data output …………………………………………….. 93 19.10.2 Edition of the time stamp ………………………………………………. 94
20 Servicing, maintenance, disposal ………………………….. 95
20.1 Cleaning …………………………………………………………. 95 20.2 Servicing, maintenance ……………………………………………… 95 20.3 Disposal …………………………………………………………. 95
21 Instant help for troubleshooting …………………………… 96
21.1 Error messages……………………………………………………. 97

TPES-B_TPEJ-B-BA-e-2420

1 Technical data

KERN

PES 620-3M

PES 2200-2M

PES 4200-2M

Item no./ Type

TPES 620-3-B

TPES 2200-2-B

TPES 4200-2-B

Readability (d)

0.001 g

0.01 g

Weighing range (max)

620 g

2200 g

4200 g

Reproducibility

0.001 g

0.01 g

Linearity

0.003 g

0.02 g

Stabilization time
Recommended adjustment weight, not added (Category)
Warm-up time

500 g (E2) 4 h

3 s 2 kg (F1)
2 h

2 kg (E2); 2 kg (E2)
4 h

Weighing units
Smallest part weight at piece counting
Reference quantities at piece counting Weighing plate, stainless steel Dimensions of housing (W x D x H) [mm] Net weight Permissible ambient condition Humidity of air Power supply unit input voltage
Balance input voltage
Interfaces

1 mg (under lab conditions*)
10 mg (under normal conditions**)

g, kg, ct
10 mg (under lab conditions*)
100 mg (under normal conditions**)
5, 10, 30, 100

10 mg (under lab conditions*)
100 mg (under normal conditions**)

140 x 120 mm

200 x 200 mm

220 x 333 x 93

3.6 kg

4.4 kg
10 °C to + 30 °C
80 %
AC 100-240 V; 0.6 A; 50/60Hz 12 V 1.0 A
RS-232, Digital I/O

4.0 kg

Degree of pollution

Overtension class

Height meter

Up to 2000 m

Place of installation

Only indoors

TPES-B_TPEJ-B-BA-e-2420

KERN

PES 6200-2M

PES 15000-1M

PES 31000-1M

Item no./ Type

TPES 6200-2-B

TPES 15000-1-B

TPES 31000-1-B

Readability (d)

0.01 g

0.1 g

Weighing range (max)

6.2 kg

15 kg

31 kg

Reproducibility

0.01 g

0.1 g

Linearity

0.03 g

0,2 g

0,4 g

Stabilization time
Recommended adjustment weight, not added (Category)
Warm-up time

5 kg (E2) 4 h

3 s
10 kg (F1); 5 kg (F1)
2 h

20 kg (F1); 10 kg (F1)
2 h

10 mg (under lab conditions*)
100 mg (under normal conditions**)

g, kg, ct
100 mg (under lab conditions*)
1 g (under normal conditions**)
5, 10, 30, 100

500 mg (under lab conditions*)
5 g (under normal conditions**)

200 x 200 mm

250 x 220 mm

220 x 333 x 93 4.4 kg

260 x 330 x 113 10 kg

10 °C to + 30 °C
80 %
AC 100-240 V; 0.6 A; 50/60Hz 12 V 1.0 A
RS-232, Digital I/O

Degree of pollution

Overtension class

Height meter

Up to 2000 m

Place of installation

Only indoors

TPES-B_TPEJ-B-BA-e-2420

KERN

PEJ 620-3M

PEJ 2200-2M

PEJ 4200-2M

Item no./ Type

TPEJ 620-3M-B

TPEJ 2200-2M-B

TPEJ 4200-2M-B

Readability (d)

0.001 g

0.01 g

Weighing range (max)

620 g

2200 g

4200 g

Reproducibility

0.001 g

0.01 g

Linearity

0.003 g

0.02 g

Stabilization time

3 s

Verification value (e)

0.01 g

0.1 g

Verification class

Minimum weight (min)
Recommended adjustment weight, not added (Category)
Warm-up time

0.1 g 4 h

0.5 g internal 2 h

0.5 g 4 h

Weighing units
Smallest part weight at piece counting
Reference quantities at piece counting Weighing plate, stainless steel Dimensions of housing (W x D x H) [mm] Net weight Permissible ambient condition Humidity of air Mains adapter input voltage
Balance input voltage
Interfaces

g, kg
1 mg (under lab conditions*)
10 mg (under normal conditions**)

g, kg, ct

10 mg (under lab conditions*)
100 mg (under normal conditions**)

5, 10, 30, 100

140 x 120 mm

200 x 200 mm

220 x 333 x 93

4,4 kg

7 kg

10 °C to + 30 °C

80 %

AC 100-240 V; 0.6 A; 50/60Hz
12 V 1.0 A RS-232, Digital I/O

Degree of pollution

Overtension class

Height meter

Up to 2000 m

Place of installation

Only indoors

TPES-B_TPEJ-B-BA-e-2420

* * Smallest part weight at piece counting – under lab conditions: There exist perfect environment conditions for high-resolving countings The counted parts have no variance
** Smallest part weight at piece counting – under normal conditions: There are unsteady ambient conditions (draft, vibrations) The counted parts are varying
2 Declaration of conformity
The current EC/EU Conformity declaration can be found online in:
www.kern-sohn.com/ce

TPES-B_TPEJ-B-BA-e-2420

3 Appliance overview
3.1 Components Models up to 15 kg:

Pos. Designation 1 Weighing plate 2 Wind shield (only models with 620 g) 3 Bubble level 4 Display 5 Keyboard 6 Closing cover for underfloor weighing device 7 Footscrews 8 Mains connection 9 Theft protection
10 RS232 connection 11 DIN8P interface

TPES-B_TPEJ-B-BA-e-2420

Models with 31 kg:

Pos. Designation 1 Weighing plate 2 Bubble level 3 Display 4 Keyboard 5 Closing cover for underfloor weighing device 6 Footscrews 7 Mains connection 8 RS232 connection 9 DIN8P interface

TPES-B_TPEJ-B-BA-e-2420

3.2 Operating elements
Models up to 15 kg:
Models with 31 kg:

TPES-B_TPEJ-B-BA-e-2420

3.3 Keyboard overview

Button

Name

Function in Operating mode

Function in Menu

[ON/OFF]

Turn on/off

–

[PRINT]

Transmit weighing data via Cancel setting interface

[CAL] [S] [F] [TARE/ZERO]

Start adjustment or adjustment test

–

Adding (when function was enabled; press key shortly)
Open limit value setting (when weighing with tolerance range has been activated; press key longtime)
Open interval setting (when interval output was enabled, press key longtime)

Take over setting and close menu

Change display (press key shortly)
Call-up menu (press key longtime)

Navigation key / Go to next menu level

Taring and zeroing

Navigation key / Setting downwards

[]

–

· Navigation key / Setting upwards

[]

–

· Navigation key / Setting downwards

[]

–

· Navigation key / Go to next menu level

[]

–

· Navigation key / Menu level back

TPES-B_TPEJ-B-BA-e-2420

LED

Designation STAND BY

Description
Illuminated green, if the balance is operated with mains voltage, but being switched off.

SLEEP

Illuminated red, when the balance is in sleep mode.

3.3.1 Numeric entry As maximum, the balance can display eight characters

Button

Function

Cancel input

Save input and exit Enter next character Increase character by 1 Increase character by 1 Decrease character by 1 Enter next character Select/delete last character

TPES-B_TPEJ-B-BA-e-2420

3.4 Display

No.

Display

Designation

Description

“Tolerance range weighing” indicator

Shows in which tolerance range the weighing result can be found

Asterisk

Indicates that weight value can be added

Stability display

Is displayed when the weight value is stable

Minus

Displays negative values

Indicator “Process”

Indicates that the balance is processing data

Indicator

Appears in some functions

Indicator “zero display”

Displays zero position

Indicates how much the

weighing plate is loaded with

respect to the maximum

Bar graph display

weighing range

Shows in which tolerance

range the weighing result can

be found

Is shown during the

CAL

Indicator “Adjustment”

adjustment or the adjustment

test

Is shown during the date and

time entry

Indicator “Time”

Flashes during the interval

output

Displayed when the balance

Indicator ,,Data output”

is sending data to external

device

TPES-B_TPEJ-B-BA-e-2420

No.

Display

Designation

Description

Display gross weight value Displays gross weight

Display net weight value

Shown when the tare weight has been subtracted

“Total” indicator

Shown when the total sum is displayed

Indicator

Appears in some functions

Pcs

“Piece counting” indicator

Shown when piece counting has been enabled

,,Percent Weighing” Indicator

Is shown when percent weighing has been enabled

Indicator for different weighing units

Shows different weighing units in different functions

Kilogram

Shows the ,,Kilogramm” unit

Gram

Shows the ,,Gram” unit

Milligram

Shows the ,,Milligramm” unit

Marking of non-verifiable digits

Is displayed for digits that are not relevant to verification

TPES-B_TPEJ-B-BA-e-2420

4 Basic Information (General)
4.1 Proper use The balance purchased by you is intended to define the weighing value of weighed goods. It is intended to be used as a “non-automatic balance”, i.e. the material to be weighed is manually and carefully placed in the centre of the weighing pan. As soon as a stable weighing value is reached, the weighing value can be read.
4.2 Improper Use
· Our balances are non-automatic balances, not provided for the use in dynamic weighing processes. However, the balances can also be used for dynamic weighing processes after verifying their individual operative range, and here especially the accuracy requirements of the application.
· Do not leave permanent load on the weighing pan. This can damage the measuring mechanism.
· Impacts and overloading exceeding the stated maximum load (max) of the balance, minus a possibly existing tare load, must be strictly avoided. The balance could be damaged.
· Never operate the balance in explosive environment. The serial version is not explosion protected.
· The structure of the balance may not be modified. This may lead to incorrect weighing results, safety-related faults and destruction of the balance.
· The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing.
4.3 Warranty Warranty claims shall be voided in case:
· Our conditions in the operation manual are ignored · The appliance is used beyond the described uses · The appliance is modified or opened · Mechanical damage or damage by media, liquids, natural wear and tear · The appliance is improperly set up or incorrectly electrically connected · The measuring system is overloaded
4.4 Monitoring of Test Resources Within the scope of quality assurance the metrological properties of the balance and of an existing test weight must be checked at regular intervals. The responsible user must define a suitable interval as well as type and scope of this test. Information is available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be calibrated (return to the national standard) fast and at moderate cost.

TPES-B_TPEJ-B-BA-e-2420

5 Basic Safety Precautions
5.1 Pay attention to the instructions in the Operation Manual
Carefully read this operation manual before setup and
commissioning, even if you are already familiar with KERN balances.
5.2 Personnel training The appliance may only be operated and maintained by trained staff.
6 Transport and storage
6.1 Testing upon acceptance When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.
6.2 Packaging / return transport
Keep all parts of the original packaging for a possibly required
return.
Only use original packaging for returning. Prior to dispatch disconnect all cables and remove loose/mobile
parts.
Reattach possibly supplied transport securing devices. Secure all parts such as the wind shield, weighing pan, power
unit etc. against shifting and damage.

TPES-B_TPEJ-B-BA-e-2420

7 Unpacking, Installation and Commissioning
7.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. You will work accurately and fast, if you select the right location for your balance.
On the installation site observe the following:
· Place the balance on a firm, level surface.
· Avoid extreme heat as well as temperature fluctuation e.g. caused by installing next to a radiator or in the direct sunlight.
· Protect the balance against direct draughts due to open windows and doors.
· Avoid jarring during weighing.
· Protect the balance against high humidity, vapours and dust.
· Do not expose the appliance to heavy moisture over a longer time period. Non-permitted condensation (condensation of air humidity on the appliance) may occur if a cold appliance is taken to a considerably warmer environment. In this case, acclimatize the disconnected appliance for ca. 2 hours at room temperature.
· Avoid static charge of weighed goods and weighing container.
· Do not operate in areas with hazard of explosive material or in potentially explosive atmospheres due to materials such as gasses, steams, mists or dusts.
· Keep away chemicals (such as liquids or gasses), which could attack and damage the balance inside or from outside.
· In the event of the occurrence of electromagnetic fields, static charges (e.g., when weighing / counting plastic parts) and unstable power supply, large display deviations (incorrect weighing results, as well as damage to the scale) are possible. Change location or remove source of interference.

TPES-B_TPEJ-B-BA-e-2420

7.2 Unpacking and check Remove the appliance and the accessories from the package, set aside the packaging material and install the appliance on the working place. Check if all parts of the scope of delivery are present and free of damage.

Scope of delivery:
Content

Models up to 620 g Models from 1200 g to 15 kg

Models with 31 kg

1. Balance

2. Weighing plate
3. Weighing plate support
4. Wind shield (4 side parts and 1 upper part)
5. Mains adapter 6. Power plug set 7. Hook / Eyelet 8. Operating instructions
TPES-B_TPEJ-B-BA-e-2420

already pre-installed
18

7.3 Assembling, Installation and Levelling
The correct implantation site is important for the accuracy of the weighing results of high-resolving precision balances (see chap. 7.1).
7.3.1 Implantation of the balance 1. Place the weighing plate support of the balance (in PES 31000-1M the weighing plate support is pre-installed) 2. Fix the weighing plate support with the screw

3. Put the weighing plate on the weighing plate support 4. Level balance with foot screws until the air bubble of the water balance is in
the prescribed circle
Check levelling regularly
5. Connect the mains adapter (Installation of the mains adapter: see chap. 7.4.1)

TPES-B_TPEJ-B-BA-e-2420

7.3.2 Installation of the wind shield 1. Plug the long side parts from above onto the short side parts. Ensure that the sides point upwards with their flat guidance.
2. Plug-on the upper part. 3. Place the wind shield over the weighing plate.

TPES-B_TPEJ-B-BA-e-2420

7.4 Mains connection
Select the country-specific mains plug and insert it into the mains adapter.
Check, whether the voltage acceptance on the scales is set correctly. The balance may only be connected to the power supply, when the data on the balance (sticker) and the local mains voltage are identical. Only use KERN original mains adapters. Using other makes requires consent by KERN.
Important: Prior to start-up check the mains cable for damages. Ensure that the mains adapter does not come into contact with
liquids. The mains plug must be accessible at any time.

7.4.1 Installation of the mains adapter
1. Place the country-specific power plug at a slight angle in the recess of the mains adapter so that the spring points in the direction of the locking arrow of the mains adapter.
2. Push the locking mechanism of the power plug downwards and press the power plug into the recess of the mains adapter. Then release the lock (make sure that the power plug is engaged).

Side view of the power plug (simplified):

Spring

Groove

TPES-B_TPEJ-B-BA-e-2420

Inserting the mains plug into the mains adapter
1. 2.

Locking arrow Lock

7.4.2 Turning On the Power
Connect the balance to the power supply
Switch-on the balance by pressing the [ON/OFF]-
button
7.5 Initial Commissioning In order to obtain exact weighing results with the electronic balances, your balance must have reached the operating temperature (see warm-up time chap.1). For this warm-up time the balance must be connected to the power supply (mains connection). The accuracy of the balance depends on the local acceleration of gravity. Strictly observe hints in chapter Adjustment.
7.6 Connection of peripheral appliances Before connecting or disconnecting the auxiliary equipment (printer, PC) to the data interface, the balance must be disconnected from mains without fail! With your balance, only use accessories and peripheral devices by KERN, as they are ideally tuned to your balance.

TPES-B_TPEJ-B-BA-e-2420

8 Menu
8.1 Menu <Func> Open menu:

Press and hold the [F]- key for about 2
seconds.

Display changes to <Func>. Release [F]- key

If you continue keeping the [F] key pressed after the appearance of <Func>, the balance will change into another mode. In this case press the [PRINT] key to interrupt the action.

8.1.1 Menu overview

The balance menu consists of several levels. The first level consists of the main menus. According to the setting you will have access to more menu levels.

You will find a summary of the setting options in the individual chapters.

First menu level

Settings

Chapter

Selection of a weighing application

9.4

Weighing with tolerance range 13

Totalization

Zero-Tracking

15.1

Sensibility (Stability)

15.2.1

Display speed (Stability)

15.2.2

Communication settings

19.9

Adjustment functions

Bar graph display

15.3

Automatic Sleep function

15.4

Weighing unit A Weighing unit B (only for simply 15.5 weighing)

TPES-B_TPEJ-B-BA-e-2420

First menu level

Settings ISO/GLP/GMP compliant data output Display format of the date
Edition of the time stamp
Automatic switch-on function

Chapter 19.10.1 15.6.1 19.10.2 15.7

8.2 Enhanced menu <Func2> Open menu:
+

Press [F]- key and [TARE/ZERO] key
simultaneously for about 2 seconds.

When <Func2> appears, release the keys

8.2.1 Menu overview
The settings < 2. o.M.P. > and < 4. M.E.H. > are only available for the weighing system PES.

First menu level

Settings
Balance identification number
Setting the measuring inaccuracy of the external adjustment weight
Takeover the set measuring inaccuracy of the external adjustment weight

Chapter 16.1 16.2.1
16.2.2

TPES-B_TPEJ-B-BA-e-2420

8.3 Navigation in the menu

Button

Designation

Description

[F]

Open menu (press and hold for about 2 seconds)

Next menu level (press shortly)

[PRINT]

Close menu Cancel input

[]

Next menu level

[]

Previous menu level

[]

Setting selection upwards

[]

Select setting downwards

[TARE/ZERO]

Switch through setting selection

[S]

Storing settings

TPES-B_TPEJ-B-BA-e-2420

9 Basic Operation
9.1 Turn on/off · After switching on, the balance always starts with the last weighing application that was used before switching off. · The weighing system PEJ carries out an internal adjustment when having been disconnected from mains before switching-on
Start-up:
Press [ON/OFF] key

Check the display:

The display lights up
The software version appears on the
display. After disconnection from mains the weighing system PEJ performs an internal adjustment.
Wait until the weight display appears
The display shows zero The balance is now ready for weighing

Touch slightly the weighing plate to check
whether the displayed weighing value in the display is changing

TPES-B_TPEJ-B-BA-e-2420

Switching off:

When the balance is switched-on, press
the [ON/OFF] key

The balance display turns off STAND BY-LED lighting

9.2 Zeroing
When after pressing the [TARE/ZERO] key <Net> appears on the display, taring has been carried out instead of zeroing. For more information on taring, see chapter 9.3.
Unload weighing plate

Press the [TARE/ZERO] key
The balance performs zeroing The display shows the value <0.0 g> and
the zero indication <0>.
9.3 Taring The tare weight of any balance container can be tared at the touch of a button, so that the net weight of the weighed goods is displayed during subsequent weighing operations.
If a tare weight is used, the maximum weighing range for weighed goods is reduced by the value of the tare weight.

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Place an empty weighing container on the
weighing plate
The weight of the weighing container is
shown
Press the [TARE/ZERO] key
The balance tares The display shows the value <0.0 g> and
the zero display <Net>.
Fill the weighing container with the
weighed goods
Read the net weight of the weighed good
· When the balance is unloaded the saved taring value is displayed with negative sign.
· To clear the stored tare value, unload the weighing plate and press the [TARE/ZERO] key.
· The taring process can be repeated any number of times. The limit is reached when the whole weighing range is exhausted.

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9.4 Selection of a weighing application
Press and hold the [F] key for about 2
seconds.

Display changes to <Func>. Release [F] key
Use the keys [] and [] (or
[TARE/ZERO] key) to select the desired weighing application
1. SEt ,,1″. Simple weighing 1. SEt 2 Piece counting 1. SEt 3 Percent weighing 1. SEt 5 Density determination
Press the [S] key to confirm the selection
and to exit the menu
9.5 Simple weighing If you use a weighing container, it should tared before weighing (see chap. 9.3)
Select weighing application <1. SEt 1> (selection
see chap. 9.4)
Place weighing goods on the weighing plate or into
the weighing container
Read the weighing result

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Further displays:

Press the [F] key to switch the display on the balance. The display depends on the active weighing application and the enabled auxiliary functions.

Display

Display on balance

sequence

Net weight value (unit A)

Net (if tared)

Gross weight value (unit A)

B/G

Net weight value (unit B)

Total weight (unit A)

Net (if tared)
(if totalizing function has been enabled)

9.6 Underfloor weighing

Models from 1200 g to 15 kg The hook for the underfloor weighing is available as optional accessory

Objects unsuitable for placing on the weighing scale due to size or shape may be weighed with the help of the flush-mounted platform. Proceed as follows:
Switch off the balance Open the closing cover in the balance’s bottom. Place the balance over an opening. Screw-in the hook completely. Hook-on the material to be weighed and carry out weighing.
CAUTION
· Always make sure that all attached objects are stable enough to keep safely the desired weighing goods (danger of breaking).
· Never suspend loads that exceed the stated maximum load (max) (danger of breaking)
Always ensure that there are no persons, animals or objects that might be damaged underneath the load.

NOTICE
After completing the underfloor weighing the opening on the bottom of the balance must always be closed (dust protection).

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10 Piece counting
The piece counting application allows you to count several pieces placed on the weighing plate. Before the balance is able to count pieces, it must know the average piece weight, the so-called reference. For this purpose a certain number of the pieces to count must be put on the plate. The balance determines the total weight and divides it by the number of pieces, the so-called reference quantity. Counting is then carried out on the basis of the calculated average piece weight. As a rule: The higher the reference quantity the higher the counting exactness.
· Use the [PRINT] key to cancel the quantity setting · If you use a weighing container, it should be tared before setting
the reference quantity (see chap. 9.3)
Select weighing application <1. SEt 2>
(selection see chap. 9.4)
The display shows <Pcs>.

Press and hold the [F] key for about 2
seconds.

Display changes to <U. Set> Release [F] key

The reference quantity is shown and
flashes (in this example: <on 10>)
Use the keys [] and [] (or
[TARE/ZERO] key) to select the desired reference quantity
on 5 5 items
on 10 10 items
on 30 30 items
on 100 100 items

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Place the number of parts on the weighing
plate or in the weighing container according to the entered reference quantity
Press the [F] key to save the weight value
of the reference quantity
The reference quantity on the display
starts flashing
Put more reference pieces (quantity must
be twice of the reference quantity selected at the beginning Example: Selected = 10 items, additional reference pieces = 20 items or less)
The stability display appears and an
acoustic signal sounds when the weight value of the reference pieces has been stored
Press the [F] key to finish weighing the
reference quantity
An acoustic signal sounds and <End.> is
displayed

The display changes into the piece
counting mode
Place more weighing goods on the
weighing plate or into the weighing container
Read off the piece quantity

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When the balance displays <Add>, <Sub> or <L-Err>: · <Add>: Insufficient quantity of additional samples. Add more samples. · <Sub>: Number of extra samples is too large. Decrease the sample. · <L-Err>: The average piece weight is smaller than the smallest piece
weight

Further displays: Press the [F] key to switch the display on the balance. The display depends on the active weighing application and the enabled auxiliary functions.

Display sequence

Display

Display on balance

Piece quantity (Pcs)

Net (if tared), Pcs

Total piece quantiy (Pcs)

Pcs, (if totalizing function has been
enabled)

Average piece weight (unit A)

Pcs

Total net weight (unit A)

Net (if tared)

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11 Percent weighing
The application Percent weighing allows to check the weight of a sample in percent, referred to a reference weight.

· If you use a weighing container, it should be tared before setting the reference quantity (see chap. 9.3)
· The readability of the balance automatically adjusts to the reference weight:

Readability in %

Weight range of the reference weight

Minimum load <= Reference weight < Minimum load x 10

0.1 Minimum load x 10 <= Reference weight < Minimum load x 100

0.01 Minimum load x 100 <= Reference weight

Model TPES 620-3-B TPES 2200-2-B TPES 4200-2-B TPES 6200-2-B TPES 15000-1-B TPES 31000-1-B TPEJ 620-3M-B TPEJ 2200-2M-B TPEJ 4200-2M-B

Minimum load for percent weighing 0.1 g
1 g
10 g 0.1 g 1 g 1 g

The reference weight can be recorded in two ways: · Actual value setting method: Weighing the reference weight · Numeric entering of the reference weight

Select weighing mode <1. SEt 3>
(selection see chap. 9.4)

The display shows <%>.

Press and hold the [F]- key for about 2
seconds.

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Display changes to <P. SEt> Release [F] key
The last reference weight set flashes on
the display
Actual value setting method:
Place reference weight on the weighing
plate or into the weighing container
Press [F] key
An acoustic signal sounds and <End.> is
displayed
Remove reference weight Place the samples on the weighing plate
or into the weighing container and read the percentage

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Numerical input of reference weight:
Press the [TARE/ZERO] key

<0 g> flashes on the display
Enter reference weight (numeric entry:
see chap. 3.3.1)

An acoustic signal sounds and <End.> is
displayed

Put the weighing goods on the weighing
plate

Percentage based on the reference weight
is displayed

Further displays:

Press the [F] key to switch the display on the balance. The display depends on the active weighing application and the enabled auxiliary functions.

Display

Display on balance

sequence

Percentage (%)

Net (if tared), %

Total percentage (%)

%, (if totalizing function has been enabled)

Net weight value (unit A)

Net (if tared)

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12 Density determination
When measuring the density of solids, the solid is first weighed in air and then in an auxiliary liquid whose density is known. From the weight difference results the buoyancy from where the software calculates the density. As auxiliary liquid mostly distilled water or ethanol are used, densitiy tables see chap. 12.1. The following steps must be followed to measure the density:
1. Prepare the measuring equipment 2. Select weighing application for density determination 3. Select medium 4. Set water temperature or specific density 5. Weigh sample by underfloorweighing 6. Correction of residual errors due to immersion basket 7. Measure sample
· The hook for the underfloor weighing is available as optional accessory
· Information on this can be found on our homepage: www.kern-sohn.com
· After completing the underfloor weighing the opening on the bottom of the balance must always be closed (dust protection).
· The immersion basket must not come into contact with the container
1. Prepare the measuring equipment

Attach the immersion basket to the underfloor weighing fixture
Container for water or liquid
Water or liquid

Stable underground for the balance
Immersion basket

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2. Select weighing application for density determination
Select weighing application <1. SEt 5>
(selection see chap. 9.4)

3. Select medium

Navigate to <11. MEd.> and select
medium (Navigation in menu: see chap. 8.3)
0 Water 1 No water (Other medium)
Press the [S] key to save settings

The display shows <d>
4. Set water temperature or specific density · The water temperature must be between 0.0 °C and 99.9 °C · The specific density must be between 0.0001 and 9.9999

Press and hold the [TARE/ZERO] key.

When 0 (water) is selected:
Display changes to <d t> and flashes Release the [TARE/ZERO] key.
Press the [TARE/ZERO] key to set the
water temperature.

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Enter water temperature (numeric entry:
see chap. 3.3.1)
Press the [S] key to save the entry.
When selecting 1 (No water):
Display changes to <d> and flashes Release the [TARE/ZERO] key.
Press the [TARE/ZERO] key to set the
specific density.
Enter specific density (Numeric entry: see
chap. 3.3.1)
Press the [S] key to save the entry.
5. Weigh sample by underfloorweighing
Attach empty immersion basket to hooks
for underfloor weighing.

Press the [TARE/ZERO] key to tare the
balance.
Place sample in the immersion basket
(In this step the sample can also be placed on the weighing plate)

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Press the [S] key when the stable weight
value is displayed.
Balance stores weight value and displays
< >.
6. Correction of residual errors due to immersion basket
Place container with water or other liquid
under the balance
Immerse empty immersion basket in the
water or liquid

7. Measuring the sample

Press [TARE/ZERO] key to tare the
balance and correct residual errors of the weighing container
Place sample in the immersion basket Immerse the immersion basket with
sample placed upon completely in the water or liquid.

Press the [S] key when the stable weight
value is displayed.
Read off the specific density result

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Press the [S] key to return to the weight value display. However, you cannot return to the density display. To do this, you must retake the measurement.

12.1 Density Table for liquids

Temperatur Density [g/cm3]

e [°C]

Water

Ethanol

0.9997

0.7978

0.9996

0.7969

0.9995

0.7961

0.9994

0.7953

0.9993

0.7944

0.9991

0.7935

0.9990

0.7927

0.9988

0.7918

0.9986

0.7909

0.9984

0.7901

0.9982

0.7893

0.9980

0.7884

0.9978

0.7876

0.9976

0.7867

0.9973

0.7859

0.9971

0.7851

0.9968

0.7842

0.9965

0.7833

0.9963

0.7824

0.9960

0.7816

0.9957

0.7808

0.9954

0.7800

0.9951

0.7791

0.9947

0.7783

0.9944

0.7774

0.9941

0.7766

Methanol 0.8009 0.8000 0.7991 0.7982 0.7972 0.7963 0.7954 0.7945 0.7935 0.7926 0.7917 0.7907 0.7898 0.7880 0.7870 0.7870 0.7861 0.7852 0.7842 0.7833 0.7824 0.7814 0.7805 0.7796 0.7786 0.7777

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12.2 Data output of the specific density to a printer
· Further settings can only be made after the weighing application Density measurement has been activated (see chap. 12).
· You need a compatible printer to access these functions. Information on this can be found on our homepage: www.kern-sohn.com

Selecting the data for output:

In the menu navigate to <12.dod.> and select
setting (Navigation in the menu: see chap. 8.3)

0 Edit specific density

Show all data (Measured density, Weight value, Current water temperature / Specific density)

Activate / deactivate automatic printout:

Navigate to <13.Ao.> in the menu and select setting
(Navigate in the menu: see chap. 8.3)

0 Automatic output disabled (manual output)

Automatic output enabled (output after every concluded density measurement)

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13 Weighing with tolerance range
Setting a tolerance range allows you to quickly check whether a weight value is within certain limits.
Either you can determinate one tolerance value only (minimum value as lower limit) or a tolerance range (several limits).
· Weighing with tolerance range is available for the following applications: Weighing, percent weighing, piece counting
· <2. SEL 0> is the default setting (function deactivated).

Weight values can be evaluated in two ways when weighing with a tolerance range:
· Evaluation of absolute values o The evaluation is based on the permissible maximum and / or minimum value specified.
· Evaluation with difference values o The evaluation is based on a specified reference value and the permissible difference values.

Example: A sample may weigh a minimum of 900.0 g and a maximum of 1200.0 g. The table below shows which values must be specified for the respective differentiation methods.

Distinguishing method

Reference value

Lower tolerance limit

Upper tolerance limit

Absolute values

900.0 g

1200.0 g

Differential values

1000.0 g

– 100.0 g

200.0 g

The following steps are needed to use weighing in the tolerance range: 1. Select function (see chap. 13.1) 2. Set differentiation condition (see chap. 13.2) 3. Set differentiation range (see chap. 13.3) 4. Set the number of tolerance limits (see chapter 13.4) 5. Set differentiation method (see chap. 13.5) 6. Activate / deactivate acoustic signal (see chapter 13.6) 7. Set the display of the results presentation (see chap. ) 8. Set the data output (see chap. 13.8.) 9. Set tolerance values (see chap. 13.9)

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13.1 Selection of weighing function with tolerance range
In the menu select <2. SEL 2> (navigation in the
menu: see chap. 8.3) If the add-on function needs to be used at the same time, select <2. SEL 3>.

13.2 Set distinction condition
The distinction condition defines whether the evaluation of weight values is performed only if there are stable weight values or continuously (in case of fluctuating / non-stable weighing values). The continuous assessment of weight values enables you to follow in real time on the display during dynamic weighing processes (e.g. when filling a container) whether your sample is within the tolerance limits.

In the menu navigate to <21. Co.> and select
distinction condition (Navigation in the menu: see chap. 8.3)
1 Always
2 Only with steady weighing value

13.3 Setting the distinction range
The differentiation range determines the weight value from which the scale starts to evaluate this value. If the entire range is set, the balance starts at 0 g. If 5d is set, the evaluation for the weighing systems is carried out according to the following table:

Model

Minimum weight for assessment

to 620 g

0,005 g

from 2200 g to 6200 g

0,05 g

from 15 kg to 31 kg

0,5 g

In the menu navigate to <22. Li.> and select
Distinction Area (Navigation in the menu: see chap. 8.3)
0 +5 d or more
1 Total range

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13.4

Set the number of tolerance limits
In the menu navigate to <23. Pi.> and
select the number of tolerance limits (navigation in the menu: see chap. 8.3)
1 1 limit (rank 1) * 2 2 limits (rank 1 and rank 3) * 3 3 limits (rank 1, rank 2, rank 4) **
4 4 limits (rank 1, rank 2, rank 4, rank 5) **

* at <23. Pi.> = 1 or 2:

Rank 3 (limit 2)

Upper tolerance limit exceeded

Rank 2

TOL

Within the tolerance range

Rank 1 (limit 1) ** at <23. Pi.> = 3 or 4:
Rank 5 (limit 4)
Rank 4 (limit 3) Rank 3
Rank 2 (limit 2) Rank 1 (limit 1)

+ TOL –

13.5 Set distinction method

Lower tolerance limit not reached

Rank 4 < measured value
Rank 3 Measured value < Rank 4 Rank 2 Measured value < Rank 3 Rank 1 Measured value < Rank 2 Measured value < Rank 1

In the menu navigate to <24. tP.> and select the
distinction method (navigation in the menu: see chap. 8.3)

Assessment with absolute values (Setting the absolute values: see chap. 13.9.1)

Assessment with difference values (Setting the difference values: see chap. 13.9.2)

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13.6 Set acoustic signal

In the menu navigate from <25. bu. 1> to <29.
bu. 5> navigieren (Navigation in the menu: see chap. 8.3)
25. bu. 1 Signal for rank 1 or ” – ” 26. bu. 2 Signal for rank 2 or ” TOL ” 27. bu. 3 Signal for rank 3 or ” + ” 28. bu. 4 Signal for rank 4
29. bu. 5 Signal for rank 5
Select desired setting
0 Acoustic signal deactivated
1 Acoustic signal activated

13.7 Set tolerance display
Whether a measured weight value is within certain limits is indicated on the display by an arrow on the left side (see table below or chap. 13.4).

Evaluation of the weight value
Upper tolerance limit exceeded Within the tolerance range
Lower tolerance limit not reached

1 Limit
TOL –

Set tolerance ranges from 2 limits
+ TOL
–

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The evaluation of the weight value can also be shown on the bar graph display.
The bar graph display can only be used when 2 limits are set (,,-,, and ,,+”).

Evaluation of the weight value
Upper tolerance limit exceeded
Within the tolerance range
Lower tolerance limit not reached

Bar graph display

Set the display for tolerance range weighing:
In the menu navigate to <2A. LG.> and
select the distinction method (navigation in the menu: see chap. 8.3)
1 Arrows
2 Bargraph (only for 2 limit values)

13.8 Set data output

In the menu navigate to <2b. r.o.c.> and
select the distinction method (navigation in the menu: see chap. 8.3)
1 Continuous data output
2 Data output on external request

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13.9 Setting the tolerance values
· Tolerance values can only be saved when the balance is in the measurement mode display
· Set the balance to zero (see chap. 9.2) or tare (see chapter 9.3) the balance before saving tolerance values.

13.9.1 Absolute values

For the distinction method setting with absolute values <24. tYP. 1> (see chap. 13.5)

at <23. Pi.> = 1 or 2:

Limit 2

H. SEt

TOL

Limit 1 at <23. Pi.> = 3 or 4:
Limit 4 Limit 3
Limit 2 Limit 1

+ TOL –

Actual value setting method:

L. SEt
L4 SEt L3 SEt
L2 SEt L1 SEt
When the balance is in the measuring
mode, hold down the [S] key for about 2 seconds.

When <L. SEt> or <L1 SEt> is displayed,
release the [S] key
Last stored value for the lower tolerance
limit is appears on the display and flashes (in this example: Weight value)

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Place the reference sample for the
tolerance limit on the weighing plate

Press the [F] key to save the reference
value.
An acoustic signal sounds and the value
of the reference sample is displayed briefly (in this example: Weight value)
Remove reference sample

If the number of tolerance limits is more than 1:
The display shows <H. SEt> (or <L2 SEt>
… <L4 SEt>)
The last value stored for the tolerance
limit is shown and flashes on the display

Place the reference sample for the
tolerance limit on the weighing plate
Press the [F] key to save the reference
value.
An acoustic signal sounds and the value
of the reference sample is displayed briefly (in this example: Weight value)

Remove reference sample

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Numeric input:

When the balance is in the measuring
mode, hold down the [S] key for about 2 seconds.

When <L. SEt> or <L1 SEt> is displayed,
release the [S] key
Last stored value for the lower tolerance
limit is appears on the display and flashes (in this example: Weight value)
Press the [TARE/ZERO] key

<0 g> flashes on the display Enter tolerance limit (Numeric entry: see
chap. 3.3.1)
Press the [S] key

An acoustic signal sounds and the
entered value is displayed briefly (in this example: Weight value)

If the number of tolerance limits is more than 1:
The display shows <H. SEt> (or <L2 SEt>
… <L4 SEt>)

The last value stored for the tolerance
limit is shown and flashes on the display
Enter tolerance limits as described above

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13.9.2 Differential values

For the distinction method setting with absolute values <24. tYP. 2> (see chap. 13.5)

at <23. Pi.> = 1 or 2:

Limit 2

H. SEt

Reference value

TOL

Limit 1 at <23. Pi.> = 3 or 4:
Limit 4
Limit 3 Reference value
Limit 2 Limit 1

+ TOL –

Actual value setting method:

r. SEt
L. SEt
L4 SEt L3 SEt r. SEt L2 SEt L1 SEt
When the balance is in the measuring
mode, hold down the [S] key for about 2 seconds.

Release the [S] key when <r. SEt> is
displayed

Last reference value stored for the target
weight appears and flashes on the display
Place reference sample (target weight) on
the weighing plate
Press the [F] key to save the reference
value.

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An acoustic signal sounds and the value
of the reference sample is displayed briefly
Remove reference sample

<L SET> or <L1 SEt> is displayed

Last difference to reference sample
flashes on the display
Place the reference sample for the
tolerance limit on the weighing plate
Press the [F] key to save the reference
value.
An acoustic signal sounds and the
difference of the reference sample is displayed briefly
Remove reference sample

If the number of tolerance limits is more than 1:
The display shows <H. SEt> (or <L2 SEt>
… <L4 SEt>)

Last difference to reference sample
flashes on the display

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Numeric input: 53

Place the reference sample for the
tolerance limit on the weighing plate
Press the [F] key to save the reference
value.
An acoustic signal sounds and the
difference of the reference sample is displayed briefly
Remove reference sample
When the balance is in the measuring
mode, hold down the [S] key for about 2 seconds.
Release the [S] key when <r. SEt> is
displayed
Last reference value stored for the target
weight appears and flashes on the display
Press the [TARE/ZERO] key
<0 g> flashes on the display Enter reference value (target weight)
(Numeric entry: see chap. 3.3.1)
TPES-B_TPEJ-B-BA-e-2420

Press the [S] key

An acoustic signal sounds and the
entered value is displayed briefly (in this example: Weight value)

<L SET> or <L1 SEt> is displayed

Last difference to reference sample
flashes on the display
Enter difference of the target weight as
described above

If the number of tolerance limits is more than 1:
The display shows <H. SEt> (or <L2 SEt>
… <L4 SEt>)

13.10 Weighing the samples

Last difference to reference sample
flashes on the display
Enter difference of the target weight as
described above
Put the weighing goods on the weighing
plate

Evaluation of the value is shown on the
display

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14 Totalization
The Totalizing application allows you to weigh different samples and to totalize the weight values. This function can be used for various applications, such as weighing individual batches to determine total stock.
· Totalizing is available for the following applications: Weighing, percent weighing, piece counting
· <2. SEL 0> is the default setting (function deactivated).
Totalizing can be done in two ways:
· Totalizing individual weight values by replacing the sample on the weighing plate: TOTAL-Adding (see chapter 14.2.1)
· Totalizing of single weighings without exchanging the samples on the weighing plate (balance tares automatically after totalizing): NET-Adding (see chapter 14.2.2)
14.1 Select the Totalizing function
Select <2. SEL 1> in the menu (navigation
in the menu: see chap. 8.3)
Select <2. SEL 3> if the tolerance function needs to be used at the same time

Press [F] key

The display shows <2C. Ad.M>
Use the keys [] and [] (or
[TARE/ZERO] key) to select the desired reference quantity

TOTAL-Adding: Totalizing individual 1 weighings by replacing the sample on the
weighing plate

NET-Adding: Totalize individual weighings

without replacing the samples on the weighing plate (balance tares

automatically after totalizing)

Press the [S] key to save settings and
return to measuring mode.

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14.2 Using the totalizing function
The error message <t-Err> appears if you have not placed the samples correctly (More information: see chap. 21.1)

14.2.1 TOTAL-Adding

Set the balance to <2C. Ad.M 1> (see
chap. 14)
Place the first sample on the weighing
plate and wait until the display shows an asterisk <*>.

Press the [S] key

Weight value is stored An acoustic signal sounds and <> is
briefly displayed together with the weight total
Remove sample from weighing plate
(balance performs automatic zeroing)
Wait until the balance shows <0>.

Place new sample on weighing plate and
repeat steps

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14.2.2 NET-Adding
… 14.3 Clear the total sum

Set balance to <2C.Ad.M 2> (see chap.
14)
Place the first sample on the weighing
plate and wait until the display shows an asterisk <*>.
Press the [S] key
Weight value is stored An acoustic signal sounds and <> is
briefly displayed together with the weight total
Wait until the balance shows <0>. Place another sample on the weighing
plate and repeat steps
· With the balance in measuring mode, press the [F] key repeatedly until the display shows <> .
Press the [TARE/ZERO] key

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15 Settings
· Press and hold the [F] key for about 2 seconds until <Func> is displayed.
· Navigation in menu see chap. 8.3

15.1 Zero-Tracking Small weight variations (e.g. due to particles on the weighing plate) can be automatically tared by zero tracking.
Navigate to <3. A.0> in the menu and
select the setting.
0 Disabled
1 Enabled

15.2 Stability settings
The stability settings influence the evaluation of weight fluctuations on the weighing plate and to what extent the weight value is displayed as a stable value.

15.2.1 Sensitivity

In the menu navigate to <4. Sd.> and
select sensitivity.
2 Strong sensitivity (quiet environment) 3 Normal sensitivity (default)
4 Weak sensitiy (busy environment)

15.2.2 Display speed The display speed allows you to adjust the balance to the environmental conditions. The display speed affects the stability display of the balance.
In the menu navigate to <5. rE.> and
select Display speed.
0 Very fast (very quiet environment) 1 Fast (quiet environment) 2 Normal 3 Slow (busy environment)

15.3 Bar graph display The balance’s bar graph display shows how much the weighing plate is loaded with respect to its weighing range.
Navigate to <8. b.G.> in the menu and
select display setting
0 Disabled 1 Enabled

TPES-B_TPEJ-B-BA-e-2420

15.4 Automatic Sleep function If the automatic sleep function is activated, the balance will automatically switch off the display if it has not been used after a period of 3 minutes.
· Sleep mode of the balance is not enabled, o when the menu of the balance is open o when there are weighing goods on the weighing plate and the value is instable.
· Exit the sleep mode when touching the weighing plate or pressing a key
· During sleep mode, data can de edited

When sleep mode is activated:

In the menu navigate to <9. A.S.> and
select the setting.
0 Disabled 1 Enabled

The balance display turns off after 3 minutes SLEEP LED glowing

TPES-B_TPEJ-B-BA-e-2420

15.5 Setting the weighing units
Two weighing units (A and B) can be set on the balance. During weighing, the display can be switched between these two units by pressing the [F] key.

· Unit A can be used for all weighing applications. · Unit B can be used for simple weighing only

In the menu navigate to <b1.u.A> or
<b3.ub>.

<b1.u.A> Set unit A

<b3.ub> Set unit B

Select setting

Disabled (setting only available for unit B).

1 g (gram)

2 kg (kilogram)

4 ct (carat)

15.6 Date and time 15.6.1 Set display format
15.6.2 Setting time and date

In the menu navigate to <F. dAtE> and
select the setting.
1 Year – Month – Day 2 Month – Day – Year 3 Day – Month – Year

Press and hold the [F] key for about 5
seconds.

The display changes to <Func> and then
<d-SEt>
Release [F] key

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Press [F] key
Enter time:
The display changes to <tIME> and then
to the clock-time display (24-hours format)
Use the [TARE/ZERO] key to set the
seconds to 00 and round them up or down to the next minute
Press the [S] key to reach to the time
setting (using the [F] key you can directly reach to the date setting)
Enter time:
Hours:Minutes:Seconds Numeric input: see chapter 3.3.1)
Press the [S] key to save the time.
Enter date:
The display changes to <dAtE> and then
to the date display (display format: see chapter 15.6.1)
Press the [S] key to reach to the date
setting (using the [F] key you can skip the setting and return to weighing mode)
Enter date
Sequence is depending on the display format Numeric input: see chapter 3.3.1)

TPES-B_TPEJ-B-BA-e-2420

Press the [S] key to save settings and
return to weighing mode
15.7 Automatic switch-on function If the automatic power-on function is enabled, the balance will switch on automatically when it is connected to the mains. Users then no longer need to press the [ON/OFF] key. This function e.g. cannot be used, when the balance is used connected to other appliances.
In the menu navigate to <L. d.St.> and
select setting
0 Disabled 1 Enabled

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16 Enhanced settings
· Press [F] key and [TARE/ZERO] key simultaneously for about 2 seconds until <Func2> appears
· Navigation in menu see chap. 8.3 16.1 Balance identification number Your balance can be distinguished from other balances by assigning a balance identification number (ID). The identification number is edited on the adjustment record.
A maximum of 6 characters can be assigned for that ID
In the enhanced menu select <1. Id 1>

Press the [S] key
The balance’s ID is displayed on the
balance.
Press the [TARE/ZERO] key

The first input digit flashes
Enter ID (Numeric entry: see chap. 9.6) 0-
9, A-F, -, blank)

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Press the [S] key An acoustic signal sounds and the
balance returns into weighing mode
16.2 Measurement incertainty of the external adjustment weight The measurement incertainty indicates the deviation of the display from the external adjustment weight. By entering the measuring incertainty, this deviation from the adjustment or the adjustment test can be taken into account with an external adjustment weight. By that way a more exact adjustment can be possible. Measurement incertainty = Displayed weight – Nominal value
· These functions are only available for the PES weighing system. · If more than one adjustment weight is used, the deviations must be
totalized and entered as total measurement incertainty · The measurement incertainty must not be more than +/- 100 mg.
Otherwise the error message <r-Err> appears.
16.2.1 Enter measurement incertainty
In the enhanced menu navigate to <2.
o.M.P.> and select the setting
0 Not enter 1 Enter measurement incertainty
Measurement incertainty entered:
Select <2.o.M.P. 1>
Press the [S] key
The last value stored for the measurement
incertainty is shown in mg and flashes
Press the [TARE/ZERO] key

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<0 mg> is displayed and flashes Enter measurement incertainty in mg
(numeric input: see chap. 3.3.1)
Press the [S] key An acoustic signal sounds and the
measurement incertainty is displayed briefly.
The balance returns to weighing mode
16.2.2 Take over measurement deviation
In the enhanced menu navigate to <4.
M.E.H.> and select the setting
0 Do not take over Take over the measurement incertainty from
1 the adjustment or the adjustment test with external adjustment weight

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17 Adjustment
As the acceleration value due to gravity is not the same at every location on earth, each balance must be coordinated – in compliance with the underlying physical weighing principle – to the existing acceleration due to gravity at its place of location (only if the balance has not already been adjusted to the location in the factory). This adjustment process must be carried out for the first commissioning, after each change of location as well as in case of fluctuating environment temperature. To receive accurate measuring values it is also recommended to adjust the balance periodically in weighing operation.
· Observe stable environmental conditions. A warm up time (see chapter 1) is required for stabilization.
· Ensure that there are no objects on the weighing plate. · Avoid vibration and air draught. · Always carry out adjustment with the standard weighing plate in
place. · The adjustment record is printed if an optional printer is connected
and the GLP function has been activated.
17.1 Adjustment with internal weight
· This function is only available for the following weighing system: PEJ · Cancel the process by pressing the [PRINT] key
Unload weighing plate

Select <7. CA. 1> in the menu (navigation
in the menu: see chapter 8.3)

Press the [S] key

The balance returns to weighing mode
Press the [CAL] key to start internal
adjustment.

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Various messages are shown on the
display one after another: <Aut. CAL> <WAIt> <CH. 0> <CH. F.S.> <buSy> <End>
…
When the balance returns to the weighing
mode, the internal adjustment is finished
17.2 Adjustment test with internal weight
· This function is only available for the following weighing system: PEJ · Cancel the process by pressing the [PRINT] key
Unload weighing plate

…
67

Select <7. CA. 2> in the menu (navigation
in the menu: see chapter 8.3)
Press the [S] key
The balance returns to weighing mode
Press the [CAL] key to start internal
adjustment test.
Various messages are shown on the
display one after another: <t. Int> <t. 0> <t. F.S.> <dIFF>
TPES-B_TPEJ-B-BA-e-2420

The difference value between the
adjustment weight and the actual weight value is shown (measuring incertainty)
Press any key to return to the weighing
mode.
17.3 Adjustment with external weight
· This function is not available for the following weighing systems: PEJ 2200-2M, PEJ 4200-2M
Unload weighing plate

Select <7. CA. 3> in the menu (navigation
in the menu: see chapter 8.3)

Press the [S] key

…
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The balance returns to weighing mode
Press the [CAL] key to start the external
adjustment.
The balance performs an automatic zero
setting
Various messages are shown on the
display one after another: <CAL EXt> <on 0> (when <PuSH F> appears, press [F] key)
The message <on F.S.> is displayed
when zeroing is complete
68

Place the adjustment weight centrally on
the weighing plate.
Various messages are shown on the
display one after another: <buSy> <End>
The balance returns to weighing mode Unload weighing plate
17.4 Adjustment test with external weight
· Cancel the process by pressing the [PRINT] key
Unload weighing plate

Select <7. CA. 4> in the menu (navigation
in the menu: see chapter 8.3)
Press the [S] key
The balance returns to weighing mode
Press the [CAL] key to start internal
adjustment test.

…
69

The balance performs an automatic zero
setting
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The message <on F.S.> is displayed
when zeroing is complete
Place the adjustment weight centrally on
the weighing plate.
The difference value between the
adjustment weight and the actual weight value is shown (measuring incertainty)
Press any key to return to the weighing
mode.
17.5 Adjustment record Enable / disable edition of the weighing log:
Navigate to <E. GLP> in the menu and
select the setting.
0 Disabled 1 Enabled
Enable/disable adjustment record / adjustment test log:
In the menu select <E. GLP 1> Navigate to <E1. out> in the menu and
select the setting.
0 Disabled Enabled (output after every adjustment /
1 adjustment test)
Log output after adjustment or adjustment test:
After adjustment or adjustment test
<buSy> appears on the balance
The display disappears as soon as the
data output has finished

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18 Verification
General: According to EU directive 2014/23/EU balances must be officially verified if they are used as follows (legally controlled area):
· For commercial transactions if the price of goods is determined by weighing.
· For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory.
· For official purposes
· For manufacturing final packages
In cases of doubt, please contact your local trade in standard.
Balances in the legally controlled area (-> verified balances) must keep the error limits in the verification validity period – normally they are the double of the verification error limits. When this verification validity period expires, a re-verification must be carried out. Should be necessary an adjustment of the balance to keep the verification error limits to satisfy the reverification requirements, this is not deemed a warranty case.
Verification notes: An EU type approval exists for balances described in their technical data as verifiable. If the balance is used where obligation to verify exists as described above, it must be verified and re-verified at regular intervals. Re-verification of a balance is carried out according to the respective national regulations. The validity for verification of balances in Germany is e.g. 2 years. The legal regulation of the country where the balance is used must be observed!
Verification of the balance is invalid without the seal. The seal marks attached on balances with type approval point out that the balance may only be opened and serviced by trained and authorised specialist staff. If the seal mark is destroyed, verification looses its validity. Please observe all national laws and legal regulations. In Germany a reverification will be necessary.

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19 Interfaces
The balance can communicate with external peripherals using the interface. Data can be sent to a printer, PC or control displays. In the same way, control commands and data inputs may occur via the connected devices (such as PC, keyboard, barcode reader).

19.1 RS-232C interface for data input and output
The balance is equipped as per standard with an RS232C interface to connect a peripheral device (e.g. printer or computer).

19.1.1 Technical data

Connection
Baud rate Parity

9 pin d-subminiature bushing
1200/2400/4800/9600/19200 optional Empty / Odd number / Even number

Pin connection:
Pin nr.
1 2 3
4
5 6 7 8
9

Signal
RXD TXD
DTR
GND –
–

Input/Output
Input Output
Output
–
–

Function
Receive data
Edit data HIGH (when scale is
switched on) Signal ground
–
–

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19.1.2 Interface cable
Balance 9-poles

PC 9-poles

Balance 9-poles

Printer 9-poles

19.2 DIN8P-interface to the data output
As per standard the balance is equipped with a DIN8P-interface. This duplicates the data output of the RS232C-interface.

19.2.1 Technical data

Connection DIN8P

Baud rate Parity

1200/2400/4800/9600/19200 optional Empty / Odd number / Even number

Pin connection:
Pin nr.
1 2 3
4 5 6 7 8

Signal
EXT.TARE –
TXD
GND –

Input/Output
Input –
Output
–

Function
External tare subtraction or zeroing –
Edit data
Signal ground –

TPES-B_TPEJ-B-BA-e-2420

The tare subtraction can be performed by an external device by connecting a contact or a transistor switch between pin 1 (EXT. TARE) and pin 5 (GND). A switch-on time of at least 400 ms must be observed (open-circuit voltage: 15 V when the scale is switched off, leakage current: 20 mA, when it is switched on).
19.3 Formats of the data output (6/7-digits)
· These data formats are only available for the PES weighing system.
19.3.1 Data composition · 6-digit data format
Consisting of 14 characters, including the end characters (CR= 0DH, LF= 0AH)*. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 P1 D1 D2 D3 D4 D5 D6 D7 U1 U2 S1 S2 CR LF
· 7-digit data format Consisting of 15 characters, including the end characters (CR= 0DH, LF= 0AH) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 P1 D1 D2 D3 D4 D5 D6 D7 D8 U1 U2 S1 S2 CR LF
* End characters: CR = paragraph, LF = line

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19.3.2 Data description Presign: P1 = 1 character

Code

2BH

–

2DH

Numeric data:

D1-D7/D8/D9 Code

0 9

30H 39H

2EH

20H

/
*Sp = space

2FH

Significance Data is 0 or positive Data is negative
Significance Numbers 0 to 9
Decimal point (position not fixed) Space before numeric data If numeric data does not contain a decimal point, a space is output at the least significant digit and no decimal point is output Separator character inserted to the left of the non-verification-relevant digit

Units:

U1, U2 = 2 characters: To indicate the unit of the numerical data

U1 U2 Code (U1) Code (U2) Significance

Sp G 20H

47H

Gram

G 4BH

47H

Kilogram

T 43H

54H

Carat

C 50H

43H

Pieces

Sp % 20H
*Sp = space

25H

Percent

Symbol
g kg ct Pcs %

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Result evaluation for weighing with tolerance range: S1 = 1 character

S1 Code L 4CH G 47H H 48H 1 31H 2 32H 3 33H 4 34H 5 35H T 54H U 55H Sp 20H d 64H *Sp = space

Significance Below lower tolerance limit (LOW / -) Within tolerance range (OK / TOL ) Upper tolerance limit exceeded (HIGH / +) 1. Limit 2. Limit 3. Limit 4. Limit 5. Limit Total Piece weight No evaluation result or data type specified Gross

Status of data: S2 = 1 character
S2 Code S 53H U 55H E 45H Sp 20H
*Sp = space

Significance Data stable Data not stable Data error, all data except S2 unreliable No special status

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19.4 Formats of the data output (special format 1)
These data formats are only available for the PES weighing system.
19.4.1 Data composition Consists of 14 characters, including the end characters (CR= 0DH, LF= 0AH) *.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P1 Sp D1 D2 D3 D4 D5 D6 D7 D8 Sp U1 U2 U3 CR LF

Measurement data (incl. Decimal point)

Unit

Polarity Blank Blank End characters

* End characters: CR = paragraph, LF = line

19.4.2 Data description

Presign:

P1 = 1 character

Code

2BH

–

2DH

Significance Data is 0 or positive Data is negative

Numeric data:

(D1-D8): 0 9 .

Code 30H 39H 2EH

20H

/
*Sp = space

2FH

Significance Numbers 0 to 9
Decimal point (position not fixed) Space before numeric data
If numeric data does not contain a decimal point, a space is output at the least significant digit and no decimal point is output
Separator character inserted to the left of the non-verification-relevant digit

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Units:

U1, U2, U3 = 3 characters: To indicate the unit of the numerical data

Code (U1)

Sp Sp 67H

Code (U2)
20H

Code (U3)
20H

Significance
Gram

Sp 6BH

67H

20H

Kilogramm

Sp 63H

74H

20H

Carat

s 70H

63H

73H

Pieces

% Sp Sp 25H

20H

Percent

Sp Sp
*Sp = space

Sp 20H

20H

Data instable

Symbol
g kg ct Pcs % <0> is not displayed

19.4.3 Error messages <o-Err>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Sp Sp Sp Sp Sp Sp H Sp Sp Sp Sp Sp Sp Sp CR LF

<u-Err>:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Sp Sp Sp Sp Sp Sp L Sp Sp Sp Sp Sp Sp Sp CR LF

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19.5 Formats of the data output (special format 2) These data formats are only available for the PES weighing system.

19.5.1 Data composition Consists of 14 characters, including the end characters (CR= 0DH, LF= 0AH) *.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 S1 S2 S3 Sp D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 Sp U1 U2 U3 CR LF

Status

Measurement data (incl. polarity and decimal point)

Unit

Blank Blank End characters

* End characters: CR = paragraph, LF = line

19.5.2 Data description Status: S1, S2, S3 = 3 characters
S1 S2 S3 Code (S1) S Sp S 53H S Sp D 53H

Code (S2) 20H
20H

Code (S3) 53H
44H

Significance Data are stable Data are instable

Numeric data:

10 characters, right justified

D1-D10 –

Code 2DH

0 9 .

30H 39H 2EH

20H

/
*Sp = space

2FH

Significance Negative data
Numbers 0 to 9
Decimal point (position not fixed) Space before numeric data If numeric data does not contain a decimal point, a space is output at the least significant digit and no decimal point is output
Separator character inserted to the left of the non-verification-relevant digit

TPES-B_TPEJ-B-BA-e-2420

Units:

U1, U2, U3 = 3 characters, variable length: To indicate the unit of the numerical data

Code (U1)

67H

Code (U2)

Code (U3)

Significance Symbol

Gram

6BH

67H

Kilogram

63H

74H

Carat

s 70H

63H

73H

Pieces

Pcs

%
*Sp = space

25H

Percent

19.5.3 Error messages <o-Err>:
1 2 3 4 5 S Sp + CR LF

<u-Err>:
1 2 3 4 5 S Sp – CR LF

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19.6 Data output formats (CBM)
19.6.1 Data composition · 26-digit data format
Consists of 26 characters, including the end characters (CR= 0DH, LF= 0AH) *. 1 2 3 4 5 6 7 8 9 10 11 12 13 S1 C1 Sp T1 T2 T3 T4 T5 T6 D1 D2 D3 D4
14 15 16 17 18 19 20 21 22 23 24 25 26 D5 D6 D7 D8 D9 D10 D11 D12 U1 U2 Sp CR LF

· ERROR 1 2 3 4 5 6 7 8 9 10 11 12 13 * * Sp E R R O R Sp * * * *
14 15 16 17 18 19 20 21 22 23 24 25 26 * * * * * * * * * * Sp CR LF

* End characters: CR = paragraph, LF = line

19.6.2 Data description Status:

S1 = 1 character

S1 Code (S1) Significance

Sp 20H

Data are stable

* 2AH

Data are instable

Result evaluation for weighing with tolerance range: C1 = 1 character

S1 Code
Sp 20H
H 48H L 4CH 1 31H 2 32H 3 33H 4 34H 5 35H *Sp = space

Significance Within the tolerance range (OK / TOL ) or no evaluation result or data type indicated Upper tolerance limit exceeded (HIGH / +) Below lower tolerance limit (LOW / -) 1. Limit 2. Limit 3. Limit 4. Limit 5. Limit

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Data type

T1 – T6 = 1 – 6 characters

For PEJ:

T1 T2

T3 T4

T5 T6

Code T3 T4

T6 Significance

Sp Sp Sp Sp Sp Sp 20H 20H 20H 20H 20H 20H Net weight (not tared)

N Sp Sp Sp Sp Sp 4EH 20H 20H 20H 20H 20H Net weight (tared)

T O T A L Sp 54H 4FH 54H 41H 4CH 20H Total

G Sp Sp Sp Sp Sp 47H 20H 20H 20H 20H 20H Gross weight

UN I
*Sp = space

T Sp Sp 55H 4EH 49H 54H 20H 20H Piece weight

For PES:

Code T1 T2 T3 T4 T5 T6 T1 T2 T3 T4 T5 T6 Significance Sp Sp Sp Sp Sp Sp 20H 20H 20H 20H 20H 20H Net weight
T O T A L Sp 54H 4FH 54H 41H 4CH 20H Total

G Sp Sp Sp Sp Sp 47H 20H 20H 20H 20H 20H Gross weight

UN I
*Sp = space

T Sp Sp 55H 4EH 49H 54H 20H 20H Piece weight

Numeric data:

D1 D12: 1 12 characters

D1-D12 Code

2BH

–

2DH

0 9

30H 39H

2EH

[

5BH

]

5DH

20H

*Sp = space

Significance 0 or positive data
Negative data
Numbers 0 to 9 0 also used for zero padding
Decimal point (position not fixed) Number between brackets ,, [ ” and ” ] ” marks the non-relevant digit for verification
Space before numeric data If numeric data does not contain a decimal point, a space is output at the least significant digit and no decimal point is output

TPES-B_TPEJ-B-BA-e-2420

Units:

U1, U2 = 2 characters

U1 U2 Code (U1)

g 20H

g 6BH

t 63H

C 50H

Sp % 20H
*Sp = space

Code (U2) 67H 67H 74H 43H 25H

Significance Gram Kilogram Carat Pieces Percent

Symbol
g kg ct Pcs %

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19.7 Data input
· Pay attention to upper and lower case letters when entering data · Wait for the balance to respond between two entries

19.7.1 Input format 1 Input format:
1 2 3 4 C1 C2 CR LF
Example of permanent output:
Input: O0

Zeroing / taring, data output:

C1 C2 Code (C1) Code (C2)

Sp 54H

20H

0 4FH

30H

1 4FH

31H

2 4FH

32H

3 4FH

33H

4 4FH

34H

5 4FH

35H

6 4FH

36H

7 4FH

37H

8 4FH

38H

9 4FH

39H

A 4FH

41H

B 4FH

42H

*Sp = space

Significance Set to zero/taring End output Permanent output Continuous output only for stable values (interruption of output for unstable values). Press [PRINT] key for one-time output Automatic output when weighing plate is loaded again and value is stable One-time output whenever value is stable (no output for unstable values) Continuous output for unstable values (interruption of output when value is stable stable value is output once)
Press [PRINT] key for one-time output at stable values (no output at unstable values) Single output One-time output at stable value Output in any preset time interval Output in any preadjusted time interval when value is stable (interruption of the output at instable values)

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Response: A00: E01: E02:
E04:

Input successful Input Error Error at the time interval setting Taring or zeroing cannot be carried out (range exceeded, weight error, …)

· Commands O8 and O9 are used to request data.
· After entering O8 or O9, the scale returns O0.
· Commands O0 to O7 are executed after activation until the scale is turned off. The output settings are reset to factory settings when the balance is switched on again.
· The commands OA and OB start the interval ouput. If they are entered again, the interval output will be finished.

Weighing functions: · The weighing function that can be activated by entering a mode depends on the weighing application currently in use on the balance (see mode table).
· Mode 3 can only be activated when the totalizing function has been activated.
· If no unit B has been defined, mode 4 activates simple weighing

C1 M M M M
Mode
1
2
3
4

C2 Code (C1) 1 4DH 2 4DH 3 4DH 4 4DH

Code (C2) 31H 32H 33H 34H

Set mode 1 Set mode 2 Set mode 3 Set mode 4

Significance

Simple weighing
Net weight value (unit A)

Piece counting
Net weight value (unit A)

Gross weight value (unit A)

Piece counting

Total sum Weight
Net weight (unit B)

Total sum Quantity
Average piece weight

Percent weighing Net weight value (unit A) Percent weighing Total sum percent Error

Density determination Error
Error
Error
Error

TPES-B_TPEJ-B-BA-e-2420

Date and time:

C1 C2 Code (C1)

D 44H

T 44H

Code (C2) 44H 54H

Significance Output date Output time

Response: A00: E01: E02:

Input successful Input Error Error

Adjustment / Adjustment test: The commands C1 to C4 do not function when <7. CA. 0> is set.

C1 C2 Code (C1) Code (C2)

Significance

0 43H

30H

Deactivate entries

1 43H

31H

Perform internal semi-automatic adjustment

2 43H

32H

Perform internal adjustment test

3 43H

33H

Perform adjustment with external weight

4 43H

34H

Perform adjustment test with external weight

Response: A00 E01 E02 E03 E04

Input successful Input Error Function has been disabled Cancelled Incorrect execution

19.7.2 Input format 2
Input format (variable length): 1 2 3 4 ……… n C1 C2 , D1 … Dn CR LF

Example for input of a 2nd limit (2nd limit = 120 g):
Input: LB,120.0

Example for entering a time for interval output (output every 12 hours, 34 minutes, and 56 seconds):
Input: IA,12,34,56 (delimitation by commas).

TPES-B_TPEJ-B-BA-e-2420

Be careful not to enter any weighing units (e.g. g).

Set interval output:

Code (C1)

Code (C2)

I A 49H

41H

Set tolerance values:

Code (C1)

L A 4CH

L B 4CH

C 4CH

L D 4CH L E 4CH

Code (C2) 41H 42H 43H
44H 45H

Significance
Set interval output
Significance 1. Limit 2. Limit Reference value (target value) 3. Limit 4. Limit

D1 … D8 Time interval-input:
hh,mm,ss
(hh = hours, mm = minutes, ss = seconds
separated by commas)
D1 … Dn Numeric value Numeric value Numeric value Numeric value Numeric value

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19.8 Response formats
A00/Exx Format A00: Normal answer E00-E99: Incorrect answer

Response

ACK/NAK Format

ACK: Normal answer NAK: Incorrect answer

19.8.1 A00/Exx Format Consists of 5 characters, including the end characters (CR= 0DH, LF= 0AH) *.
1 2 3 4 5 A1 A2 A3 CR LF

* End characters: CR = paragraph, LF = line

Commands:

A1 A2 A3 Code (A1) Code (A2) Code (A3)

A 0 0 41H

30H

E 0-9 0-9 45H

39H

Significance Normal answer Incorrect answer

19.8.2 ACK/NAK Format Consists of one character (without end characters).
1 A1

Commands: A1 Code (A1) ACK 06H NAK 15H

Normal answer Incorrect answer

Significance

TPES-B_TPEJ-B-BA-e-2420

19.9 Communication settings Settings on the balance can be changed via the menu by pressing the [F] key.
For navigation in the menu see chapter 8.3
19.9.1 Enable / disable interface and data format The settings 1, 2, 3, 41 and 42 are only available for the weighing system PES.
Navigate to <6. I.F.> in the menu and
select data format
0 Deactivate the interface 1 6-digit data format 2 7-digit data format 3 Extended 7-digit data format 4 Special data formats
41 Special format 1 42 Special format 2 5 CBM-format

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19.9.2 Change communication settings
The communication settings can only be made after the interface having been activated (see chap. 19.9.1).

Set output condition:

Navigate to <61.oc.> in the menu and
select the desired setting.

0 End output

1 Permanent output

Continuous output only for stable values (interruption of output for unstable values).

3 One-time output when [PRINT] key is pressed

Automatic output (One-time output when the value is stable. The next output for another 4 sample occurs when the reading is stabilised to less than or equal to zero by unloading, zero adjustment or tare subtraction).

One-time output whenever value is stable (no output for unstable values)

Continuous output for unstable values 6 (interruption of output when value is stable
stable value is output once)

Press [PRINT] key for one-time output at stable values (no output at unstable values)

Output in any preadjusted time interval see chap. 19.9.3

Output in any preadjusted time interval when

value is stable (interruption of the output at instable values) see chap. 19.9.3

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Set baud rate:

Navigate to <62.bL.> in the menu and
select the desired setting.
1 1200 bps 2 2400 bps 3 4800 bps 4 9600 bps 5 19200 bps

Set parity: Parity can only be set if the interface is set to 2 or 3 (see chapter 19.9.1).

Navigate to <63.PA.> in the menu and
select the desired setting
0 Empty 1 Odd 2 Even
Set the data length:
The data length can only be set if the interface has been set to 3 (see chapter 19.9.1).

Set stop bit:

In the menu navigate to <64.dL.> and
select the desired setting
7 7 Bit 8 8 Bit
In the menu navigate to <65.St.> and
select the desired setting
1 1 Bit 2 2 Bit

TPES-B_TPEJ-B-BA-e-2420

Set handling of blank digits:
Set response format:
19.9.3 Interval output Setting output interval:

Navigate to <66.nu.> in the menu and
select the desired setting
0 Fill with 0 (30H) 1 Fill with blank line (20H)
In the menu navigate to <67.rS.> and select
the desired setting
1 Format: A00/Exx 2 Format: ACK/NAK
Navigate to <61.oc.> in the menu and
select the desired setting.
A Output in any preset time interval Output in any preadjusted time interval when
b value is stable (interruption of the output at instable values)

Press and hold the [S] key for about 5
seconds.

The display changes to <d-SEt> and then
<Int.VAL>
Release [S] key

Enter output interval:
Hours:Minutes:Seconds Numeric input: see chapter 3.3.1)

Press the [S] key to save the output
interval.
An acoustic signal sounds and the
balance returns into weighing mode

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Start the interval output:

Press [PRINT] key

Display changes to <StArt>

The balance returns to weighing mode
The clock symbol appears on the display
to indicate the interval output

To finish the interval output, press the [PRINT] key again

19.10 Output functions
19.10.1 GLP-compliant data output Enable / disable ISO / GLP / GMP compliant log:
In the menu select <E. GLP 1> In the menu navigate to <E2. od.> and
select setting
0 Disabled 1 Enabled

Setting the output language:

In the menu select <E. GLP 1> In the menu navigate to <E3. P.F.> and
select setting
1 English 2 Japanese (Katakana)

Output of the GLP-compliant weighing log:

In the menu select <E2. od. 1>

Carry out weighing

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Press and hold the [PRINT] key.

<HEad> is displayed Head line is issued Weighing data are issued according to the
settings of the data output (see chap. 19.9.2)
When the data output is finished, keep the
[PRINT] key pressed

<Foot> is displayed Foot line is edited

19.10.2 Edition of the time stamp

In the menu navigate to <G. t.o.> and
select the setting.

0 Disabled

Enabled (time stamp issued with the weighing data)

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20 Servicing, maintenance, disposal
Before any maintenance, cleaning and repair work disconnect the appliance from the operating voltage.
20.1 Cleaning Do not use aggressive cleaning agents (solvents or similar) – just use a cloth moistened with mild soapy water. Ensure that no liquid penetrates into the appliance. Polish with a dry soft cloth. Loose residue sample/powder can be removed carefully with a brush or manual vacuum cleaner. Spilled weighing goods must be removed immediately.
Clean stainless-steel parts with a soft cloth soaked in a cleaning agent suitable
for stainless steel.
Do not use cleaning agents that contain caustic soda, acetic acid, hydrochloric
acid, sulphuric acid or citric acid on stainless steel parts.
Do not use metal brushes or cleaning sponges of steel wool, as this causes
superficial corrosion.
20.2 Servicing, maintenance
The appliance may only be opened by qualified service technicians authorised
by KERN.
Before opening, disconnect from power supply.
20.3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used.

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21 Instant help for troubleshooting

In case of an error in the program process, briefly turn off the balance and disconnect

from power supply. The weighing process must then be restarted from the beginning.

Fault

Possible cause

The weight display does not glow

· The balance is not switched on

· The mains supply connection has been interrupted (mains cable not plugged in/faulty).

· Power supply interrupted.

The displayed weight is permanently changing · Draught/air movement

· Table/floor vibrations

· Weighing plate has contact with other objects

· Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

The weighing result is obviously wrong

· The display of the balance is not at zero

· Adjustment is no longer correct

· The balance is on an uneven surface

· Great fluctuations in temperature

· Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

The weighing result is wrong after the adjustment

· Adjustment was not carried out under stable ambient conditions.

· Differences in weight between the adjustment weight and the weight used for testing

The display does not change when the M symbol flashes

· Draught/air movement · Table/floor vibrations

· Weighing plate has contact with other objects

· Electromagnetic fields / static charging (choose different location/switch off interfering device if possible)

Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer.

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21.1 Error messages

Error message

Description

· Maximum weighing range exceeded

· Negative load is below the minimum weighing range
· Weight value of the sample when setting the reference weight in piece counting mode is too low
· The [S] key was pressed, although <*> has not been displayed

Possible causes / repair · Split sample and weigh
individually
· Use lighter tare weight
· Weighing plate or weighing plate carrier incorrectly adjusted
· Check whether the balance is touching other objects
· Use samples / reference weights with higher weight value (lowest piece weight, minimum load)
· Observe the totalizing procedure according to the Operating instructions

· System error

· Inform the retailer.

· The weight value of the adjustment weight is less than 50 % of the weighing capacity.
· The external adjustment weight is less than 95 % of the weighing range when calibrating the internal adjustment weight
· Error > 1.0 % at adjustment test with external weight
· Weighing plate is loaded during the internal adjustment

· Use a adjustment weight with a weight value as close as possible to the weighing capacity.
· Unload the weighing plate and repeat the internal adjustment

· Error > 1.0 % at the internal adjustment

· Perform internal adjustment again

· The input value for the measurement incertainty of the external adjustment · Use adjustment weights

weight at <2. o.M.P.> exceeds the

with poor deviation

maximum setting range of +/- 100 mg

· Perform internal

· Faulty end of the internal adjustment

adjustment again

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Documents / Resources

KERN PEJ Precision Laboratory Balance Max Scale [pdf] Instruction Manual
PES, PEJ, PEJ Precision Laboratory Balance Max Scale, Precision Laboratory Balance Max Scale, Laboratory Balance Max Scale, Balance Max Scale, Max Scale

References

User Manual

PEJ Precision Laboratory Balance Max Scale

Specifications:

Product Usage Instructions:

1. Appliance Overview:

2. Basic Information:

3. Basic Safety Precautions:

4. Transport and Storage:

5. Unpacking, Installation, and Commissioning:

6. Menu Operations:

7. Basic Operation:

8. Piece Counting:

Frequently Asked Questions (FAQ):

Q: How do I calibrate the precision balance?

Q: Can the precision balance be connected to a computer?

Documents / Resources

References

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