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Testo 865 Thermal Imager

Testo Approved distributor and service company.

Includes: Testo 865 with USB cable, mains unit, Lithium-ion rechargeable battery, quick-start guide, short instructions, calibration protocol and case.

0560 8650
Tax excluded
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Detect leaks, identify overheated connections, pinpoint thermal bridges or detect structural defects. The Testo 865 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. It enables time-saving quality assurance and ensures reliable production control.

The Testo 865 thermal imager is the ideal entry into the world of thermography. It stands out thanks to the best image quality in its class and handy operation, is robust
enough to withstand tough daily use, and has useful functions for even better thermal images.


Infrared resolution 160 x 120 pixels.
With testo SuperResolution to 320 × 240 pixels.
Automatic recognition of hot and cold spots.
Temperature differences: from 0.12°C
Pro software for image evaluation on the PC.
Save thermal images as JPEGs.

Testo 865 - 872 Product Video

Testo 865 Specifications
Infrared Image Output
FocusFixed focus.
Infrared resolution160 x 120 pixels.
Image refresh rate9 Hz.
SuperResolution (IFOV)2.1 mrad.
SuperResolution (Pixel)320 x 240 pixels.
Geometric resolution (IFOV)3.4 mrad.
Minimum focus distance<0.5 m.
Field of view31° x 23°.
Thermal sensitivity120 mK.
Spectral range7.5 to 14 µm.
Image presentation
Display optionIR image only.
Colours4 (iron, rainbow, cold-hot, grey).
Display type8.9 cm (3.5") TFT, QVGA (320 x 240 pixels).
Reflected temperaturemanual.
Measuring range-20 to +280 °C.
Accuracy±2 °C, ±2 % of mv.
Emissivity0.01 to 1.
Measuring function
Analysis functionMean point measurement, hot/cold-spot recognition, Delta T.
testo ScaleAssistIncluded.
IFOV warnerIncluded.
Imager equipment
Full screen modeIncluded.
JPEG storageIncluded.
Video streamingvia USB.
Standard lens31° x 23°.
InterfaceUSB 2.0 Micro B.
Imager storage
File format image.bmt; .jpg; export option in .bmp; .jpg; .png; .xls; .csv.
Storage deviceInternal Memory (2.8 GB).
Power supply
Battery typeFast-charging, Li-ion battery can be changed on-site.
Operating time4 h.
Charging optionsIn instrument / charger (optional).
Mains operationyes.
Ambient Condition
Housing protection classIP54.
Air humidity20 to 80 %RH non-condensing.
Storage temperature-30 to +60 °C.
Operating temperature-15 to +50 °C.
Physical specification
HousingPC - ABS.
Weight510 g.
Dimensions219 x 96 x 95 mm.
PC software
System requirementsWindows 10; Windows 8; Windows 7.
Standards, tests, warranty
EU-/EG-guidelinesEMC: 2014/30/EU.
testo 865 warranty2 years.


Testo 865 Datasheet

PDF Specifications of the Testo 865 Thermal Camera.

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Testo 865 Thermal Imager
Battery Spare battery, additional Lithium ion rechargeable battery for extending the operating time. 0515 5107
Charger Battery charger, desktop charging station for optimising the charge time. 0554 1103
Case Holster case. 0554 7808
Emissions Tape Use the emission tape when you are using your thermal imager to measure on reflective surfaces, for example metal. 0554 0051

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