- Best-in-class image quality and high resolution up to 320 X 240 pixels.
- Transfer live images from thermal imager to smart phone or tablet through Bluetooth
- Transfer the measurement values to testo 605i hygrometer and the clamp meter testo 770-3 wirelessly to the thermal imager.
- Create and send compact reports on site with the testo Thermography App.
- Automatic setting of emissivity with testo ɛ-Assist function.
- Objectively comparable images with testo ScaleAssist function.
- Other tools like IFOV warner for improved analysis of details on site.
Far Away. Yet Connected- All NEW Thermal Imagers
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Do you have any questions?
We would be more than happy to help you.
The right model for every requirement.
testo 865: Switch on, point, know more. H4>

- 160 x 120 pixels:
To get started in thermography - Temperature differences: from 0.12°C
- Automatically detects hot and cold spots
testo 868: Smart and networked thermal imaging. H4>

- 160 x 120 pixels + integrated digital camera
- Temperature difference: from 0.10°C
- Including Thermography App for more flexible work and sending reports on site
testo 871: Smart thermography for professional requirements. H4>

- 240 x 180 pixels
+ digital camera and App - Temperature difference: from 0.09°C
- Connection to: testo 605i thermohygrometer/ testo 770-3 clamp meter
testo 872: Smart thermography with the highest quality images. H4>

- For professionals: 320 x 240 pixels
+ digital camera, App and laser marker - Temperature difference: from 0.06°C
- Connection to: testo 605i thermohygrometer/ testo 770-3 clamp meter
- Top performance – top price.
Promo offer: €2,499
You can generate accurate thermal images really easily with these functions.
testo ScaleAssist: Comparable thermal images. H3>


- Structural defects and thermal bridges can easily be assessed.
- The thermal image scale with automatic optimal setting prevents misinterpretations.
- Unwanted extreme temperatures are automatically filtered out.
- Only structural defects that are actually present are presented as such.
- Infrared images can be reliably compared, for example with before and after shots.
testo ε-Assist: Set emissivity automatically. H3>



testo ε-Assist automatically sets emissivity (ε) and reflected temperature (RTC) – for accurate thermal images.
This is how it works:
- Attach testo ε - marker and record the object with the digital camera in the thermal imager.
- ε and RTC are automatically determined.
- Precise thermography of object.
testo Thermography App: Smart and networked work. H3>

- Create concise reports quickly, save online and send by e-mail
- Add in additional measuring points, establish temperature profile via a curve and add comments
- Transmit thermal images live to smartphones/tablets and use these as a second display
testo Thermography App for testo 868 / testo 871 / testo 872
- Download now free of charge for iOS or Android
Connectivity with testo 605i and testo 770-3. H3>

- Wireless connection of the thermal imager to the testo 605i thermohygrometer and testo 770-3 clamp meter
- Transmission of readings via Bluetooth
- Fast detection of damp spots in buildings or the load of a switching cabinet