See more. Know more. In seconds.
The NEW testo 860i wireless thermal imaging camera.
Immediately ready to go with the testo 860i thermal imaging camera.
And the free testo Smart App.
Perfect for quick spot checks
The new testo 860i wireless thermal imaging camera for smartphones featuring simple operation and display via the testo Smart App: In seconds, it provides you with exactly the information you need for quick spot checks in the HVAC trade, maintenance, buildings and many other applications.
Compact and Powerful for contractors and technicians
Compact and Powerful for contractors and technicians
Thermography with testo 860i saves time, makes you more efficient and more flexible.
Simple & fast determination of Delta T directly in the thermal image using application-specific measuring programs.
Razor-sharp thermal images thanks to high IR resolution (256 x 192 pixels).
Easy operation & effortless documentation with the testo Smart App.
Flexible use thanks to wireless use and clip for attaching directly to mobile phone/tablet.
High suitability for everyday use and robustness with IP54, drop resistance up to 1.5 m and USB-C connection.
Everything made simple, with the testo Smart App
With the free testo Smart App, you can easily operate the testo 860i thermal imaging camera. It connects very quickly to the smartphone or tablet.
The thermal images are clearly displayed in the app and can be easily edited in the thermography measurement program. You are also supported with other application-specific measurement programs:
DeltaHeat for quickly determining the spread of flow and return temperatures on radiators.
DeltaCool for quick determination of the differential temperature on air conditioning/refrigeration systems with step-by-step instructions.
Humidity mode for assessing the risk of mold in buildings using the traffic light principle.
Documentation can also be conveniently and effortlessly managed with the app. Direct sharing of the images or creating and sending a report as a PDF can be done quickly.
Versatile in application
Heating systems
Heaters can be tested very quickly with the testo 860i. The DeltaHeat measuring program helps you to determine the spread of flow and return temperatures on radiators.
In the event of anomalies, information on possible causes and a suggested solution based on the Delta T are provided.
Customer Testimonials
As a first-time owner, I anticipate using this product weekly due to its practicality and ease of use. The unboxing experience was excellent, with sleek and well-presented packaging. The instructions were clear and helpful, making setup straightforward. My initial impressions of the build quality were very positive—it feels solid, secure, and well-designed. The device attaches easily and firmly to my phone, with added rubber elements that enhance grip and provide extra protection. The overall finish and colouring are attractive, and I’m confident it will withstand occasional drops without issue
Ashley Tyrrell
Offset Plumbing Ltd
"The testo 860i thermal camera has been a game changer for me in the refrigeration trade. It makes it easy to spot issues with motors or compressors before they fail, and I use it all the time to double-check valves are working properly. It’s also great for checking electrical panels and making sure there aren’t any hot spots. The testo 860i has become a vital tool in my daily work. It takes away the guesswork when diagnosing systems, letting me clearly see potential issues."
Senior Service Engineer
BMC Eirco Refrigeration & HVAC
Using the testo 860i has been a game changer. Its compact size makes it a permanent, easy-to-carry addition to my tool bag. It saves time on jobs and generates work—a must for any heating engineer.
Danny Dannan-Rimmer
Managing Director and Main Engineer
Connectivity:
These measuring instruments are all compatible with the testo Smart App.