Digi-Sense 20250-66 Digital Multimeter with Thermal Imager

Introduction

The Digi-Sense Digital Multimeter with Thermal Imager and Bluetooth® Connectivity (model 20250-66) allows you to transmit data directly to your Android™ or iOS® device using the free D/S T-View app. You can view data at a safe distance from potentially hazardous parameters or use your smart device as a real-time secondary display for checking measurements, eliminating the need to write down readings on paper. Results are automatically stored in the app with a date-and-time stamp and can be saved as a CSV file and emailed for future reference, manipulation, or analysis to help determine trends and conditions over a long period. The app also allows attaching photos and notes to records, creating a clear reference point for your work, ideal for record keeping at large sites.

Setup is simple: Download the free D/S T-View app to your Android or iOS device. Place the meter in Bluetooth mode and open the app on your smart device. The meter will be sensed by your device and listed as an available source. Once selected, measured electrical data is displayed, and some instrument functions can be accessed. A full description of its operation is available for download in the app.

The Digital Multimeter with Thermal Imager provides fast A/D converting sampling time, high accuracy with data logging and trend capture features. This instrument is fully tested and calibrated to NIST-traceable standards for reliable measurements right out of the box, saving you time and money.

Key Features

• Bluetooth interface
• User-friendly mobile app
• 6000 count 2.8" TFT color LCD
• Double-molded IP65-rated housing
• Built-in Thermal imager with Max, Min and Center crosshair targeting
• 50 Hz fast thermal image frame rate
• DC voltage
• AC, AC+DC TRMS voltage
• DC current
• AC, AC+DC TRMS current
• Resistance and continuity test
• Diode test
• Capacity
• Frequency
• Duty cycle
• Temperature with type K probe
• Flexible coils current

Unpacking

Check individual parts against the list below. If anything is missing or damaged, contact your instrument supplier immediately.

1. Meter
2. Test leads
3. One type K temperature probe
4. Two rechargeable Li-ion batteries
5. Battery charger cradle with international adapters
6. Hard carrying case
7. User manual
8. NIST-traceable calibration report with data

Safety

A symbol adjacent to another symbol, terminal, or operating device indicates that the operator must refer to an explanation in the Operating Instructions to avoid personal injury or damage to the meter.

WARNING This WARNING symbol indicates a potentially hazardous situation, which if not avoided, could result in death or serious injury.

CAUTION This CAUTION symbol indicates a potentially hazardous situation, which if not avoided, may result in damage to the product.

MAX This symbol advises the user that the terminal(s) so marked must not be connected to a circuit point at which the voltage with respect to earth ground exceeds (in this case) 1000 VAC or VDC.

A symbol adjacent to one or more terminals identifies them as being associated with ranges that may, in normal use, be subjected to particularly hazardous voltages. For maximum safety, the meter and its test leads should not be handled when these terminals are energized.

A symbol indicates that a device is protected throughout by double insulation or reinforced insulation.

Safety Instructions

This meter has been designed for safe use but must be operated with caution. The rules listed below must be carefully followed for safe operation.

• NEVER apply voltage or current to the meter that exceeds the specified maximum.

Surge Protection: 8kV peak per IEC 61010

• USE EXTREME CAUTION when working with high voltages.
• DO NOT measure voltage if the voltage on the “COM” input jack exceeds 1000V above earth ground.
• NEVER connect the meter leads across a voltage source while the function switch is in the current, resistance, or diode mode. Doing so can damage the meter.
• ALWAYS discharge filter capacitors in power supplies and disconnect the power when making resistance or diode tests.
• ALWAYS turn off the power and disconnect the test leads before opening the covers to replace the fuse or batteries.
• NEVER operate the meter unless the back cover and the battery and fuse covers are in place and fastened securely. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

Description and Reference Guide

Front Description:

1. NCV detector area
2. LCD
3. Navigation/Menu buttons
4. MODE button
5. RANGE button
6. Rotary function switch
7. Positive (+) probe input jack for A (current)
8. Positive (+) probe input jack for mA (current)
9. COM(-) probe input jack
10. Positive (+) probe input jack for all inputs except A and mA
11. Thermal mode/light button
12. Hold/capture button

Back Description:

13. No-slip slope
14. Thermal imager lens
15. Lens cover
16. Work light
17. Laser
18. Support plate
19. Battery cover lock

Understanding the Push Buttons

The 9 push buttons on the front of the Meter activate features that augment the function selected using the rotary switch, navigate menus, or control power to Meter circuits.

• Cursor buttons: Select an item in a menu, adjust display contrast, scroll through information, and perform data entry.
• [PEAK] Use Navigation UP button to select PEAK function.
• [REL] Use Navigation Left button to select REL function.
• [MAX] Use Navigation Right button to select MAX function.

Physical Buttons

• [HOLD] Freezes the present reading in the display and allows display to be saved. Also wakes up from APO.
• [ESC] (Function not explicitly defined in text, but shown on diagram)
• [MODE] Press the MODE key to switch the functions.
• [RANGE] Press the RANGE key to manual range.
• [IR] Press the IR key to switch DMM MODE and IR+DMM MODE.
• Navigation buttons.

Understanding the Display

Measurement on LCD

1. Indication of battery charge level
2. Indication of measuring result
3. Indication of Automatic/Manual mode
4. Analog bar graph
5. Indications associated with function keys
6. Indication of the system's time
7. Indication of measuring unit
8. SD card
9. Temperature measuring result
10. Indication of Automatic/Manual mode
11. Temperature unit
12. IR camera
13. Indication of measuring unit
14. Indication of measuring result

Icons on LCD

• Voltage is over 30V (AC or DC) [❗ Warning Symbol]
• Warning [Exclamation Mark Symbol]
• Flexible coils [Coil Symbol]
• Traditional clamps [Clamp Symbol]
• Relative [Relative Symbol]
• High edge time [High Edge Symbol]
• AC voltage or current [AC Symbol]
• DC voltage or current [DC Symbol]
• AC+DC voltage or Current [AC+DC Symbol]
• Continuity function [Continuity Symbol]
• Diode function [Diode Symbol]
• Ohms [Ω Symbol]

Understanding the Rotary Switch

Select a primary measurement function by positioning the rotary switch to one of the icons around its perimeter. For each function, the meter presents a standard display for that function (range, measurement units, and modifiers). Button choices made in one function do not carry over into another function.

DMM Measurement and Setup

DC Voltage Measurements

CAUTION: Do not measure DC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter.

• Set the function switch to the VDC position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive V jack.
• Read the voltage in the display.

AC+DC Voltage Measurements

CAUTION: Do not measure DC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter.

• Set the function switch to the VDC position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive V jack.
• Press the [MODE] key to switch the V AC+DC Voltage functions.
• Read the AC+DC voltage in the display.

AC Voltage Measurements

WARNING: Risk of Electrocution. The probe tips may not be long enough to contact the live parts inside some 240V outlets for appliances because the contacts are recessed deep in the outlets. As a result, the reading may show 0 volts when the outlet actually has voltage on it. Make sure the probe tips are touching the metal contacts inside the outlet before assuming that no voltage is present.

CAUTION: Do not measure AC voltages if a motor on the circuit is being switched ON or OFF. Large voltage surges may occur that can damage the meter.

• Set the function switch to the VAC position.
• Insert the black test lead banana plug into the negative COM jack. Insert red test lead banana plug into the positive V jack.
• Read the voltage in the main display.

Frequency Measurements

• Set the function switch to the Hz% position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive V jack.
• Read the Frequency in the display.
• Press the [MODE] key to switch the Duty functions.
• Read the Duty in the display.

Resistance Measurements

To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements. Remove the batteries and unplug the line cords.

• Set the function switch to the Ω CAP +))) position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the Ω jack.
• Read the resistance in the display.

Continuity Check

WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any resistance measurements. Remove the batteries and unplug the line cords.

• Set the function switch to the Ω CAP +))) position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the jack.
• Press the [MODE] key to switch the continuity functions.
• If the resistance is less than approximately 50 Ω, the audible signal will sound. If the circuit is open, the display will indicate "OL".

4.7. Diode Test

• Set the function switch to the Ω CAP +))) position.
• Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive V jack.
• Press the [MODE] key to switch the Diode functions.
• Forward voltage will typically indicate 0.400 to 3.000V. Reverse voltage will indicate "OL". Shorted devices will indicate near 0V and an open device will indicate "OL" in both polarities.

Capacitance Measurements

WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all capacitors before taking any capacitance measurements. Remove the batteries and unplug the line cords.

• Set the rotary function switch to the Ω CAP +))) position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive V jack.
• Press the [MODE] key to switch the Capacitance functions.
• Read the capacitance value in the display.

Temperature Measurements

• Set the function switch to the TEMP (°C or °F) position.
• Insert the temperature probe into the input jacks, making sure to observe the correct polarity.
• Read the temperature in the display.
• Press the [MODE] key to switch the Unit (°C or °F).

Flexible Coil Current Measurements

• Set the function switch to the Flexible coil position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead banana plug into the positive V jack.
• Read the current in the display.
• Press the [MODE] key to switch the AC, DC and AC+DC current.
• Press the [RANGE] key to switch range: 1000mA, 10A, 30A, 40A, 100A, 300A, 400A, 1000A, 3000A.

DC Current Measurements

• Insert the black test lead banana plug into the negative COM jack.
• For current measurements up to 6000µA DC, set the function switch to the µA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 600mA DC, set the function switch to the mA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 10A DC, set the function switch to the 10A position and insert the red test lead banana plug into the 10A jack.
• Press the [MODE] button to indicate "=" on the display.
• Read the current in the display.

AC Current Measurements

CAUTION: Do not make 10A current measurements for longer than 30 seconds. Exceeding 30 seconds may cause damage to the meter and/or the test leads.

• Insert the black test lead banana plug into the negative COM jack.
• For current measurements up to 6000µA AC, set the function switch to the yellow µA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 600mA AC, set the function switch to the yellow mA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 10A AC, set the function switch to the yellow 10A position and insert the red test lead banana plug into the 10A jack.
• Press the [MODE] button to indicate "~" on the display.
• Read the current in the display.

AC+DC Current Measurements

CAUTION: Do not make 10A current measurements for longer than 30 seconds. Exceeding 30 seconds may cause damage to the meter and/or the test leads.

• Insert the black test lead banana plug into the negative COM jack.
• For current measurements up to 6000µA AC+DC, set the function switch to the yellow µA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 600mA AC+DC, set the function switch to the yellow mA position and insert the red test lead banana plug into the µA/mA jack.
• For current measurements up to 10A AC+DC, set the function switch to the yellow 10A position and insert the red test lead banana plug into the 10A jack.
• Press the [MODE] button to indicate "~" on the display.
• Read the current in the display.

Using RANGE

Press the [RANGE] key to activate the manual mode and to disable the Autorange function. The message "Manual Range" appears on the upper left part of the display instead of "Auto Range". In manual mode, press the [RANGE] key to change measuring range: the relevant decimal point will change its position. The [RANGE] key is not active in positions V~, Hz%, Ω CAP +))), K Temp, A, mA, µA. In Autorange mode, the instrument selects the most appropriate ratio for carrying out measurement. If a reading is higher than the maximum measurable value, the indication "O.L" appears on the display. Press and hold the [RANGE] key for more than 1 second to exit the manual mode and restore the Autorange mode.

Hold and AutoHold Mode

To freeze the display for any function, press key [HOLD]. And again press key [HOLD] to release freeze.

Capturing Minimum and Maximum Values

The MAX MIN Record mode captures minimum and maximum input values. When the input goes below the recorded minimum value or above the recorded maximum value, the meter beeps and records the new value. This mode is for capturing intermittent readings, recording minimum and maximum readings unattended, or recording readings while equipment operation precludes watching the meter.

To activate the MAX MIN mode, press soft key labeled [MAX]. If the meter is already in MAX MIN function, pressing [MAX] causes the Meter to turn off MAX MIN function.

Relative Values

To activate the Relative mode, press the soft key labeled [REL]. If the meter is already in the relative function, pressing [REL] causes the meter to turn off Relative mode.

Capturing Peak Values

To activate the Peak mode, press the soft key labeled [PEAK]. If the meter is already in the peak function, pressing [PEAK] causes the meter to turn off Peak mode.

Non-Contact AC Voltage Detector (100 to 1000V AC)

WARNING: Risk of Electrocution. Before use, always test the Voltage Detector on a known live circuit to verify proper operation.

WARNING: Insulation type and thickness, distance from the source, and other factors may affect operation. Always verify live voltage using other methods before working on electrical circuits.

• The non-contact voltage detector operates when the meter is set to any measuring function. The detector does not operate when Auto Power Off turns the meter off or when the rotary function switch is set to the Off position.
• Slowly move the detector probe closer to the conductor being tested.
• If AC voltage within the specified range is present, the indicator light will illuminate.

NOTE: The detector is designed with high sensitivity. Static electricity and other sources of electrical energy may randomly activate the detector. This is normal operation. The detector only activates the indicator light when AC voltage is present. It does not indicate the voltage level on the LCD.

Thermal Imager and DMM Operation

Thermal Imager Basics

In the Thermal imaging and DMM mode, the user can measure a targeted surface's temperature and use the Multimeter at the same time. The measured result will display under the thermal image.

• Press the red [IR] button to open the Thermal Imager. The image shown uses the IRON color palette. Select other palettes in the Menu Settings.
• Open the protective lens cover on the back of the meter.

Indicators on Display

1. Battery capacity indicator.
2. SD card icon (displayed if an SD card is inserted).
3. Bluetooth icon (displayed if Bluetooth is enabled).
4. The currently selected emissivity value. Use the Thermal Settings Menu to change the emissivity value.
5. Temperature unit icon. Use the Thermal Settings Menu to select °C, °F, or K.
6. Current time display.
7. Center cross of the thermal imager temperature measurement represents the center spot temperature of the scene.
8. Highest temperature spot of the thermal imager temperature measurement, represents the highest spot temperature of the scene.
9. Minimum temperature spot of the thermal imager temperature measurement, represents the minimum spot temperature of the scene.
10. Current scene on the thermal image frame.
11. Range icon of the meter.
12. Max soft button.
13. REL soft button.
14. PEAK soft button.
15. DMM measurement, shown below thermal image.
16. Unit of the meter.
17. Lowest reading measured in the current frame.
18. Thermal scale shows the range color for thermal images. Lighter colors indicate warmer temperatures; darker colors indicate cooler temperatures.
19. Highest reading measured in the current frame.

Using the Thermal Imager

1. Set the function switch to any position.
2. Press the [IR] button to switch the thermal imager ON. Target the object by the thermal imager lens.
3. The display will show the temperature measurement in the upper left-hand corner for the targeted area along with the currently selected emissivity value.
4. In Thermal imaging mode, the laser pointer and display cross hairs can be used to assist in targeting. Tools can be switched ON or OFF in the Setting menu.
5. In Thermal imaging mode, the highest temperature will be auto-marked by a red cross, and the lowest temperature by a blue cross. These spots can be switched ON or OFF in the Setting menu.
6. In Thermal imaging mode, the meter continues to operate normally as a multimeter, allowing any of the electrical functions to be used.
7. Press the [HOLD] button to hold the thermal image frame, then long press the [HOLD] button. This captures the screen and saves a bitmap with measurement data to the SD card. The saved bitmap can later be analyzed by PC software or smartphone apps.
8. The thermal imager FOV (Field of View) is 21° x 21°.
9. FOV is the largest area that your imager can see at a set distance.
10. This table lists the horizontal FOV, vertical FOV, and IFOV for the lens.

IFOV (Instantaneous Field of View) is the smallest detail within the FOV that can be detected or seen at a set distance, measured in radians. The formula is: IFOV = (Pixel Size)/(Lens focal length).

D:S theoretical (= 1/IFOVtheoretical) is the calculated spot size based on the pixel size of the Thermal Imager detector array and lens focal length. For example, if the thermal imager uses a 9mm lens, the detector pixel size is 34µm, horizontal FOV is 21°, vertical FOV is 21°, and the IFOV is 34µm/7.5mm = 4.53mrad. D:S theoretical = 220:1.

D:S measure (= 1/IFOVmeasure) is the spot size needed to provide an accurate temperature measurement. Typically, D:S measure is 2 to 3 times smaller than D:S theoretical, meaning the temperature measurement area of the target needs to be 2 to 3 times larger than that determined by the calculated theoretical D:S.

Using the Multimeter with the Thermal Imager on IR+DMM Mode

The MODE, RANGE, HOLD, and REL functions operate the same as in DMM mode.

• Capturing MAX/MIN Values on IR+DMM Mode:
1. To activate the MAX MIN mode, press the soft key labeled [MAX] and display the max value.
2. If the Meter is already in the MAX MIN function, press the [Left Arrow] key to display the min value, then press the [Right Arrow] key to display the current measurement value. Next, press the [Right Arrow] key again to display the max value.
3. Press and hold the [Left Arrow] key for more than 1 second to exit MAXMIN mode.

Capturing Peak Values on IR+DMM Mode

1. To activate the peak mode, press the soft key labeled [PEAK] and display the Peak max value.
2. If the Meter is already in the peak function, press the [Left Arrow] key to display the Peak min value, then press the [Right Arrow] key to display the current measurement value. Next, press the [Right Arrow] key again to display the peak max value.
3. Press and hold the [Left Arrow] key for more than 1 second to turn off peak.

Settings Menus

Using Settings Menus

• Press the [MENU] button to open the Settings Menus.
• Press UP/DOWN buttons to select a menu item or change the value of the current focus item.
• Press the RIGHT/MENU button to enter the submenu or set focus on the current selected item. Press the LEFT button to return to the previous menu.
• To exit settings menus, press the MODE/RANGE/HOLD/IR button or press the LEFT button in the root menu.

Setting Details

• Palette Mode: The thermal imager has five kinds of palettes. Press the RIGHT/MENU button to select one of the display color palettes.
• Temp Unit: Press the RIGHT/MENU button to set focus on this option. The color of the option value will change to black °C. In focus state, use the RIGHT/MENU button to toggle °C, °F, and K. Use LEFT/RIGHT/MENU buttons to exit focus state; the color of the option value will change to white K.
• Measure: Press the RIGHT/MENU button to enter the measure menu. Two selections are available: HOT POINT and COLD POINT. Press the RIGHT/MENU button to set your select item on or off.
  • Hot point: This option enables the thermal imager to automatically detect the highest temperature point.
  • Cold point: This option enables the thermal imager to automatically detect the lowest temperature point.
• Emissivity: Press the RIGHT/MENU button to set focus on this option. In focus state, use UP/DOWN buttons to increase or decrease emissivity's value. Use LEFT/RIGHT/MENU buttons to exit focus state. The available range is 0.01 to 0.99 in 0.01 steps.

Language

• Press the RIGHT/MENU button to enter the language menu. Three options are available: Simplified Chinese, Traditional Chinese, and English. Use UP/DOWN buttons to select language and use RIGHT/MENU button to set the selected language.

Common

• Press the RIGHT/MENU button to enter the common menu. Five options are available: Beep, Bluetooth, Laser, Brightness, and Auto Off.
  • Beep: Use the RIGHT/MENU button to set beep on or off.
  • Bluetooth: Use the RIGHT/MENU button to set Bluetooth power on or off.
  • Laser: Use the RIGHT/MENU button to set the laser pointer on or off.
  • Brightness: Press the RIGHT/MENU button to set focus on this option. In focus state, use UP/DOWN buttons to change LCD's brightness. Use LEFT/RIGHT/MENU buttons to exit focus state. The available brightness range is 100% to 10% in 10% steps.
  • Auto Off: Press the RIGHT/MENU button to set focus on this option. In focus state, use UP/DOWN buttons to choose the time period after which the meter enters the sleep mode.

Bluetooth® Connect

1. Turn on the Bluetooth function on the instrument.
2. Turn on the Bluetooth of your smartphone, press the Thermview+ icon, and enter the home interface. Press the Connect Device icon on the Home interface; the Bluetooth device name will appear.
3. Touch the device name listed in the Bluetooth devices list to connect the device.

For detailed information about Thermview+, please refer to the Thermview+ APP help file.

Thermview+ for Android: Search in Google Play with keyword "Thermview+", download and run.

Thermview+ for iOS: Search in Apple store with keyword "Thermview+", download and run.

Time/Date

Press the RIGHT/MENU button to enter the time menu. In this menu, year, month, day, hour, minute, and time format can be set. The changes take effect after exiting the settings menus.

Photo

• Press the RIGHT/MENU button to enter the photo menu. Two options are available: Photo Review and Delete Photo.
  • Photo Review: Press the RIGHT/MENU button to enter the image browser function and exit settings menus immediately.
  • Delete Photo: After pressing the RIGHT/MENU button, a dialog box will be displayed. Warning: selecting 'YES' will delete all the photos in the memory card which have been captured by the user.

Sys Info

• Press the RIGHT/MENU button to enter the system information menu. This menu contains software's version, hardware's version, and thermal imager's version.

Factory Set

• Select the Factory Set option after pressing the RIGHT/MENU button. The dialog box will be displayed. Select 'YES' to reset system parameters.

Record Measurements

• With a measurement on the display (Fig 1), press the [MENU] button to enter the instrument's general menu (Fig 2). Press the [Button 5] or [Button 6] key to select Record Item. Press the [Button 4] to enter the Record Menu (Fig 3).
• In the Record Menu, press the [Button 5] or [Button 6] key to select Sample Interval Item or Duration Item (Fig 3). Press the [Button 4]. Then press the [Button 5] or [Button 6] key to adjust the time. Setting of sampling interval is from 1s to 59min:59s (Fig 4). Setting of recording duration is from 1min to 9h:59min (Fig 5).
• In Record Menu, press the [Button 5] or [Button 6] key to select Start record Item. Press the [Button 4] to enter Save Record Measurement (Fig 6). In Save Record Measurement, press the [Button 4] to stop record. Press the [Button 5] to Save.
• In Record Menu, press the [Button 5] or [Button 6] key to select Review Item. Press the [Button 4] to view record measurement (Fig 7).
• Press the [MODE] key to Trend record (Fig 137). Press the [Button 4] or [Button 5] key to select previous record measurement or next record measurement. Press the [ESC] key to exit view record measurement.
• In Record View Display, press the [Button 4] or [Button 5] key to move the cursor on the graph. Press the [Button 4] key to activate the zoom function of the graph (Fig 138), increasing resolution (symbol "Zoom Xy" where y=max zoom dimension appears at the top of the display on the right side). You can zoom X1 for at least 10 measuring points, X2 for at least 20 measuring points, X3 for at least 40 measuring points, and so on for a maximum of 6 zooming operations.
• In Record Menu, press the [Button 4] or [Button 5] key to select Delete all Recordings Item (Fig 139). Press the [Button 4], enter Delete Box and select Yes or No.

Image Browser

• In Image Browser mode, the user can browse the pictures in the memory card. Press LEFT/RIGHT button to select the previous or next picture. Press any other keys to exit Image Browser mode.
• How to capture screen: When in DMM mode or Thermal imaging + DMM mode, use the [HOLD] button to enter hold mode. Press the [Up Arrow] button to capture the screen. After saving to TF card completely, the multimeter will exit hold mode.

Technical Specifications

Technical Characteristics

Thermal Imager

• Field of view (FOV) / Minimum focus distance: 21° x 21° / 0.5 m
• Spatial resolution (IFOV): 4.53 mrad
• IR resolution: 80 x 80 pixels
• Thermal sensitivity / NETD: < 0.1°C @ +30°C (+86°F) / 100 mK
• Image frequency: 50 Hz
• Focus mode: Focus free
• Focal length: 7.5mm
• Focal Plane Array (FPA) / Spectral range: Uncooled microbolometer / 8-14 µm
• Object temperature range: -20°C to +260°C (-4°F to +500°F)
• Accuracy: ±3°C (±5.4°F) or ±3% of reading (Environment temperature 10 to 35°C, object temperature >0°C). Accuracy calculated as [%reading + (num. digits*resolution)] at 18°C ÷ 28°C <75%RH.

DC Voltage

AC TRMS Voltage

(*) Accuracy specified from 10% to 100% of the measuring range, sine wave. Input impedance: >9 MΩ; Accuracy PEAK function: ±10% rdg, PEAK response time: 1 ms.

AC+ DC TRMS Voltage

DC Current

AC TRMS Current

(*) Accuracy specified from 5% to 100% of the measuring range, sine wave. Accuracy PEAK function: ±10%rdg, AC+DC TRMS Current: accuracy (50Hz÷1kHz): ±(3.0% reading + 20dgt).

Flexible Coil Current

Diode Test

Resistance and Continuity Test

Frequency (Electronic Circuits)

Sensitivity: ≥2 Vrms (@ 20% 80% duty cycle) and f<100kHz; ≥5 Vrms (@ 20% 80% duty cycle) and f>100kHz.

Frequency (Electronic Circuits)

Sensitivity: ≥2 Vrms (@ 20% 80% duty cycle) and f<100kHz; ≥5 Vrms (@ 20% 80% duty cycle) and f>100kHz.

Duty Cycle

Pulse frequency range: 40 Hz to 10k Hz, Pulse amplitude: ±5V (100 µs to 100ms)

Capacity

Temperature with Type K Probe

(*) Instrument accuracy without probe; Specified accuracy with stable environmental temperature at ±1°C. For long-lasting measurements, reading increases by 2°C.

Reference Standards

• Safety: IEC/EN61010-1
• EMC: IEC/EN 61326-1
• Insulation: double insulation
• Pollution level: 2
• Overvoltage category: CAT IV 600V, CAT III 1000V
• Max operating altitude: 6562 ft (2000 m)

General Characteristics

Mechanical Characteristics

• Size (L x W x H): 7" x 3" x 2" (175 x 85 x 55 cm)
• Weight (batteries included): 19 oz (540 g)

Power Supply

• Battery type: 1x7.4V rechargeable Li-ION battery, 2300 mAh
• Battery charger power supply: 100/240 V AC, 50/60 Hz, 10 VDC, 1 A
• Low battery indication: symbol " " on the display
• Auto Power Off: after 15 to 60 min of nonuse (may be disabled)
• Fuses: F10A/1000V, 10 x 38 mm (input 10A); TRMS F800mA/1000V, 6 x 32 mm (input mA µA)

Display

• Conversion: TRMS F800mA/1000V, 6 x 32 mm (input mA µA)
• Characteristics: color TFT, 6000 dots with bar graph
• Sampling frequency: 3 times/s

Environmental Conditions for Use

• Reference temperature: 18 to 28°C (64 to 82°F)
• Operating temperature: 5 to 40°C (41 to 104°F)
• Allowable relative humidity: <80% RH
• Storage temperature: -20 to 60°C (-4 to 140°F)
• Storage humidity: <80% RH

Maintenance, Recalibration, and Repair

• Clean the device with a soft, damp, and lint-free cloth. Ensure that no moisture enters the housing. Do not use any sprays, solvents, alcohol-based cleaning agents, or abrasive cleaners; use clean water only.
• The product must be repaired by the manufacturer.

Recalibration Recommendation

It is recommended that Digi-Sense products are calibrated annually to ensure proper function and accurate measurements; however, your quality system or regulatory body may require more frequent calibrations. To schedule your recalibration, please contact InnoCal, an ISO 17025 calibration laboratory accredited by A2LA.

InnoCal Contact:

• Phone: 1-866-INNOCAL (1-866-466-6225)
• Fax: 1-847-327-2993
• E-mail: sales@innocalsolutions.com
• Web: InnoCalSolutions.com

Product and Ordering Information

For Product and Ordering Information, Contact:

Cole-Parmer®

• Toll-Free: 1-800-323-4340
• Phone: 1-847-549-7600
• Fax: 1-847-247-2929
• Web: ColeParmer.com/Digi-Sense

Manual Part No. 00102-02