• testo 869 - Thermal imager

Part # 0560 8690

Product Description

The thermal imager testo 869 offers professional technology and concentrates on functions which are needed in a contractor's daily job. testo 869 is an easy-to-operate pro thermal imager, optimized for fast and efficient work.

Areas of application of the thermal imager testo 869

In cooperation with our customers, the thermal imager testo 869 was optimized for applications in contractors' daily maintenance and installation work. For, example, it provides the reliable service in the following applications:
  • Detecting leakages
  • Localizing cold bridges
  • Identifying overheated connections

Technical highlights of the thermal imager testo 869

The thermal imager testo 869 stands out thanks to its easy operation, and convinces with its technical features such as:
  • High resolution for very good image quality:
    19,220 temperature measurement points for precise and accurate measurement results – infrared resolution 160 x 120 pixels
  • Visualize small temperature differences:
    The thermal sensitivity is smaller than 120 mK
  • Large image section makes for an ideal overview over the temperature distribution of the measurement object:
    Focus-free 34° lens ensures a wide field of view
  • Display of critical temperature conditions:
    automatic hot/cold spot recognition.
  • Pro software for image evaluation on the PC
  • Storage of thermal images optionally in JPEG format


Delivery Scope

Thermal imager testo 869 including professional software, USB cable, mains unit and rechargeable Li-ion battery.

Infrared image output

Spectral range

7.5 to 14 µm

Infrared resolution

160 x 120 pixels


Fixed focus

Image refresh rate

9 Hz

Geometric resolution (IFOV)

3.68 mrad

Minimum focus distance

<0.5 m (Fixed focus)

Field of view

34° x 26°

Thermal sensitivity

<120 mK at +30 °C

Image output visual
Image presentation

Display type

3.5" LCD with 320 x 240 pixels

Display option

IR image only


4 (iron, rainbow, cold-hot, grey)


Measuring range

-20 to +280 °C


±3 °C, ±3 % of mv


0.01 to 1

Reflected temperature


Measuring function

Analysis function

Centre point measurement, hot/cold spot recognition

Imager equipment

Full screen mode


JPEG storage


Standard lens

34° x 26°

Imager storage

File format image

.bmt; .jpg; export option in .bmp; .jpg; .png; .csv; .xls

Storage device

Internal storage (1.6 GB / >2000 images)

Power supply

Battery type

Fast-charging, Li-ion battery can be changed on-site

Operating time

4 h

Charging options

In instrument / charger (optional)

Mains operation


testo 869 - Thermal imager

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Tags: testo 869 - Thermal imager

Ambient Condition

Storage temperature

-30 to +60 °C

Operating temperature

-15 to +50 °C

Air humidity

20 to 80 %RH non-condensing

Housing protection class