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The thermal imager – your new favourite tool

The measuring instrument for every application: there are hardly any measuring instruments that are as versatile as a thermal imager. Because the areas where the visualization of temperatures using thermography makes your work easier include the following:

  • In building thermography  a Testo thermal camera helps you to detect thermal bridges and structural defects.

  • In heating engineering you can use thermography to check underfloor heating is working properly or for the non-destructive detection of leaks.

  • In maintenance a thermal camera enables you to see wear before systems fail.

  • Would you like to buy a thermal imager? You should take the following into consideration:

  • Resolution: at least 160 x 120 pixels

  • Thermal sensitivity < 120 mK (visualizes temperature differences as from 0.12°C)

  • Software for analysis and professional reports

  • Easy and intuitive operation

For those who get things done.
For those who get things done.

Detect weak spots and faulty components quickly and easily thanks to easy operation and useful measurement functions such as: Distance assistant; App integration; Mould function etc.

For professionals.
For professionals.

Thermal imagers with excellent thermal sensitivity, in order to visualize the smallest temperature differences, and with a versatile area of application thanks to flexible technical solutions such as: Exchangeable lenses; Panorama assistant; Measurement site management etc.


Sharp-focus thermal images in megapixel quality, thanks to highest infrared resolution for testing the smallest components, and professional solutions such as: Process analysis package with fully radiometric video measurement and timelapse function

Features of our thermal imagers

Buying a thermal imager is a sound investment. Especially when you decide on a Testo thermal imager. Because our instruments have the best price-performance ratio in their class. Because of this – and thanks to these features – they enable you to take the best possible advantage of infrared thermography for your purposes:

  • testo SuperResolution technology: Identifying more details

  • testo IRSoft: Analysis software

  • testo FeverDetection: Disease prevention

  • Humidity image: Mould prevention

  • testo SiteRecognition: Efficient inspection routes

  • Process analysis package: Detect temperature developments

  • Panorama image assistant: Easier analysis of large objects

  • testo ScaleAssist: Prevents incorrect interpretations

  • testo ε-Assist: Even more precise thermal images

  • testo Thermography App: Smart, networked work

  • Connectivity: External measuring values in the thermal image

  • IFOV warner: Always the right distance

testo 872 thermal imager

A thermographic camera for all tasks

Smart thermography with the highest image quality – this is what the testo 872 model stands for:

  •  Infrared resolution 320 x 240 pixels (with testo SuperResolution technology 640 x 480 pixels)
  • Integrated digital camera and laser marker
  •  Wireless measurement data transfer from the testo 770-3 clamp meter and testo 605i humidity measuring instrument
  • With testo Thermography App

Building thermography

With the testo 872, there are no longer any thermal bridges, missing insulation or leaks in underfloor heating that remain undetected. Simply switch on, get going and know more.

Photovoltaic thermography

One look with the testo 872 and you can see whether your system is running efficiently or which faulty modules need to be replaced. That means your investment pays for itself faster and your photovoltaic system produces electricity efficiently.

Instead of thermal imaging cameras: more measuring instruments from Testo

Depending on the application, you will still need more measuring instruments for efficient temperature measurement in addition to a thermal camera. We have put together a small selection of our bestsellers for you here.

Smart temperature measurement

 Smart Probes are compact professional measuring instruments operated by smartphone. They are available for the most important measurement parameters and will make your day-to-day work somewhat more pleasant.

Measuring in liquids, semi-solid and solid media

Immersion thermometers and penetration thermometers  measure the temperature inside a measurement object. Ideal for core temperature measurements on food, amongst other things.

Measuring temperatures on surfaces

As the name makes clear, a surface temperature meter  is used to measure the temperature on the surface of a measurement object. This category also includes infrared thermometers . Just like an infrared thermal imager, they measure an object's thermal radiation.  Temperature measuring strips on the other hand are used for fast measurement of the surface temperature in a really wide variety of applications.

Recording temperatures

 Temperature data loggers are used not only for measuring temperatures (and other measurement parameters), but also for monitoring and recording them over defined time periods.