Testo 872: Thermal Imager (320 x 240 pixels, App, laser)

Excluding VAT

Key Features

  • Highest image quality: IR resolution of 320 x 240 pixels, via integrated testo SuperResolution Technology 640 x 480 pixels
  • Precise measurement: thermal sensitivity of 0.06°C
  • Smart and wireless: use your mobile device with the free testo Thermography App and wirelessly transmit readings from the testo 770-3 clamp meter and the testo 605i humidity measuring instrument (both available separately)
  • Integrated laser marker – can also be precisely visualized as a measuring point in the thermal image


– Ambient Condition

Operating temperature: -15 to +50 °CStorage temperature: -30 to +60 °C
Air humidity: 20 to 80 %RH non-condensing
Housing protection class: IP54
Vibration: 2G

– Image output visual

Image size: at least 3.1 MP
Minimum focus distance: 0.5 m

– Image presentation

Display type: 8.9 cm (3.5″) TFT, QVGA (320 x 240 pixels)
Digital zoom: 2x; 4x
Display option: IR image / real image
Colors: 10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT)

– Imager equipment (Testo 872)

Full-screen mode: Included
JPEG storage: Included
Video streaming: via wireless LAN with testo Thermography App
Standard lens: 42° x 30°
Digital camera: Included
Interface: USB 2.0 Micro B
WLAN Connectivity: Communication with the testo Thermography App wireless module BT/WLAN (EU, EFTA, USA, AUS, CDN, TR)
Bluetooth: Measurement value transfer from thermohygrometer testo 605i, clamp meter testo 770-3 (optional) Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey”
Laser: Laser marker

– Imager storage

File format image: .bmt; .jpg; export option in .bmp; .jpg; .png; .csv; .xls
Storage device: Internal Memory (2.8 GB)

– Infrared image output

Spectral range: 7.5 to 14 µm
Infrared resolution: 320 x 240 pixel
Thermal sensitivity: 60 mK
Field of view: 42° x 30°
Minimum focus distance: <0.5 m
Geometric resolution (IFOV): 2.3 mrad
SuperResolution (Pixel): 640 x 480 pixels
SuperResolution (IFOV): 1.3 mrad
Image refresh rate: 9 Hz
Focus: Fixed focus

– Measurement (Testo 872)

Measuring range: -30 to +100°C; 0 to +650°CAccuracy: ±2 °C, ±2 % of m.v.
Emissivity: 0.01 to 1
Reflected temperature: manual
testo ε-Assist: Included

– Measuring function

Solar mode – manual: Input of solar radiation value
Analysis function: Mean point measurement, hot/cold-spot recognition, Delta T, area measurement (min-max on area)
Electrical mode – manual: Input of current, voltage, or power
IFOV warner: Included
Humidity mode – manual: Included
testo ScaleAssist: Included
Humidity measurement with humidity measuring instrument: Automatic measurement value transfer of thermohygrometer testo 605i via Bluetooth (instrument must be ordered separately)
Electrical measurement with clamp meter: Automatic measurement value transfer of clamp meter testo 770-3 via Bluetooth (instrument must be ordered separately)

– Physical specification

Dimensions: 219 x 96 x 95 mm
Weight: 510 g
Product-/housing material: PC – ABS

– Power supply

Battery type: Fast-charging, Li-ion battery can be changed on-site
Operating time: 4.0 h
Mains operation: yes
Charging options: In instrument / charger (optional)

– General technical data

Product color: Black
Display ligthing: bright / normal / dark

Features Testo 872

– Highest image quality thanks to high resolution: 76,800 temperature measuring points for precise thermography. Infrared resolution of 320 x 240 pixels – extendible to 640 x 480 pixels via integrated SuperResolution Technology
– Detecting temperature differences from as little as 0.06°C
– testo Thermography App to use mobile terminal devices as a second display and for remote control or to write and send reports, along with saving them online
– Wireless communication thanks to Bluetooth – this means you can also wirelessly integrate the readings of the compatible testo 770-3 clamp meter and testo 605i thermohygrometer
– Built-in digital camera and laser marker generate a real image in parallel to the thermal image
– Critical temperature conditions are directly displayed via automatic hot-cold spot recognition

– The testo ScaleAssist automatically ensures optimum setting of the thermal image scale, which means you generate objectively comparable and error-free thermal images, for example of the thermal insulation behavior of buildings
– The testo ɛ-Assist ensures the correct measurement result by automatically determining and setting the emissivity and reflected temperature
– The IFOV warner means the distance from the measurement object/measurement spot size is determined and the measurement spot is shown on the thermal image – you, therefore, avoid measurement errors because the camera shows you exactly what you can measure
– Pro software for image evaluation on the PC
– You can choose to save thermal images as JPEGs


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