testo 860i – Wireless thermal camera that is used with your mobile phone and displays the thermal image via the testo Smart app. IR resolution (256 x 192 pixels) Everything is easy with the testo Smart app.

Razor-sharp thermal images thanks to high IR resolution (256 x 192 pixels)

The new wireless thermal imager testo 860i for mobile phones is easy to use and displays images in the testo Smart app, making it the perfect choice for quick checks in refrigeration and heating technology, maintenance, building technology and many other applications.

The testo 860i enables quick and easy determination of the Delta T (temperature difference) in the thermal image with application-specific measurement functions:

DeltaHeat for quick determination of the temperature difference between the flow and return of radiators.

DeltaCool for quick assessment of the temperature difference in cooling and air conditioning systems.
The humidity mode also helps to assess the risk of moisture damage in indoor environments.
The thermography function quickly and easily displays hotspots and Delta T during maintenance work.
The testo Smart app is used to control the testo 860i, display thermal images and temperature differences and for documentation – simple, fast and smart. The testo 860i can be used flexibly, either directly connected to a mobile phone or tablet for one-handed operation or separately. In addition, its robust design, high usability in everyday life and the rechargeable lithium battery with a long operating time make the testo 860i a reliable companion.

This is how the testo Smart app makes it easier for you:
Easy setting of the measuring instrument
Efficient customer and measuring site management
Reliable storage of all measurement data
Turns the mobile phone into a second screen
Display of graphical measurement curves
Easy documentation of all work
Send reports directly from the measuring site via e-mail