Testo 870-1 - Thermal Imaging Camera

The testo 870 combines quality with value to offer you the perfect entry level TI camera, at an affordable price. Now with Free Super Resolution technology.
Part number: 0560 8701
Availability: 6 in stock
Manufacturer: Testo
£1,059.00 (ex VAT)
£795.00 (ex VAT)



"Great value - ideal tool for heating contractors"

The testo 870 combines quality with value to offer you the perfect entry level TI camera, at an affordable price. With the help of heating/building contractors, service engineers, and facilities management specialists it has been designed to be the perfect tool for all such applications.


 See our how to videos which talk you through step by step how to use the 870, and help you get the best out of your camera


Now with Free SuperResolution technology, Testo’s 870 is ideal for a plethora of tasks including:

  • Detecting leaks in pipework
  • Locating radiator blockages
  • Localising cold bridges
  • Finding underfloor heating leakages both quickly and easily
  • Discovering overheating equipment and cables before they become problematic


Thanks to its large display, high-quality detector, wide field of view and uncomplicated operation, it allows you to work much faster and more productively.


blocked radiator

It's not always easy to see exactly where radiators are blocked. With a thermal camera it couldn't be simpler


"Quality and easy to use"

Designed for electrical and heating contractors, the 870 is quick and easy to use. As well as being Testo’s most lightweight camera, at just 500g, it benefits from the usual great ergonomics seen in all Testo equipment, which is expected from a global leader in portable instrumentation.



Why waste time digging around trying to find leaking pipes? With a testo thermal imaging camera you can locate leaks in a matter of seconds


The 870 has already been described as “a joy to operate” by one of the first users. It is the first Testo camera to use focus free technology and gives a perfect image at half a meter without needing to adjust the camera at all, making electrical inspections and heating contract work tremendously quick and simple.


Features of the 870 include:


  • Infrared resolution 160 x 120 (19200) pixels
  • Free SuperResolution technology to 320 x 240 pixels worth £249
  • Thermal sensitivity <100 mK
  • Fixed focus 34° lens
  • Automatic recognition of hot-cold spots
  • Integrated digital camera (870-2)



Underfloor heating through tiling, shot with a testo thermal camera


Additionally, the Testo 870 includes features traditionally only associated with more expensive cameras, such as automatic hot and cold spot recognition to help make swift diagnostics.


Testo's full thermal imager range



Testo 870 thermal imaging camera variant overview


Features testo 870-1
Infrared Resolution 160 x 120

Thermal sensitivity (NETD)

<100 mK at +30 °C

Temperature range

-20 to +280 °C

Image refresh rate

9 Hz

Lens 34° x 26°





Integrated digital camera


Auto Hot/Cold Spot Recognition


High-quality transport case



Additional  battery



Battery charging station




Product datasheet