Gastech

Powerful Imaging in a Compact Form

With an infrared resolution of 256 × 192 and thermal sensitivity of 50 mK, the Testo 860i produces detailed, accurate thermal images you can rely on. It features a fixed-focus lens for quick, no-fuss measurements and is built to withstand tough conditions, including dust, moisture, and drops up to 1.5 metres. The IP54-rated housing makes it ideal for daily field use across a wide range of environments..

From heating and cooling systems to electrical panels and insulation checks, the 860i gives you precise data in seconds. DeltaHeat and DeltaCool functions help you interpret temperature variations clearly, while humidity mode supports mould risk assessments in buildings.

Smartphone-Driven Simplicity

The 860i connects to your smartphone via Bluetooth and is operated through the Testo Smart App. Once paired, your phone becomes the interface, allowing you to view thermal images in real time, mark up problem areas, and capture all the relevant data. You can save, document, and share reports directly from the app, eliminating the need for a laptop or extra software on site.

Its one-handed operation and secure smartphone clip make it ideal for technicians on the move, while fast startup and intuitive controls mean you’re ready to go in seconds.

Testo Smart App Integration

The Testo Smart App is central to the 860i’s performance. Available for iOS and Android, the app gives you full control over the device and its data. You can access live display, adjust settings, add comments, and generate reports on the spot. It also connects seamlessly with other Testo smart tools, making it easy to manage your entire workflow from a single device..

The app is continually updated and designed to be user-friendly, ensuring your equipment stays modern, connected, and future-proof. Whether you’re inspecting heating systems, pinpointing leaks, or checking building insulation, the Testo 860i gives you a smarter way to get the job done -right from your pocket.