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World Leaders in Testing and Measurement

Made up of over 34 subsidiary companies and working with over 80 distribution partners, Testo is represented on all five continents, employing over 3000 members of staff.
We offer an extensive range of instruments for many parameters and applications; Temperature, Humidity, Velocity, Gas analysis, RPM, Pressure, Light, pH, Sound, and many more.

Flue Gas Analysis with Testo

We manufacture and supply flue gas analysers for all applications, from basic domestic boiler testing through to the needs of commercial boiler engineers.
Some of the key functions include: testing gas pressures, flow and return temperatures and with models offering additional probes; measurement of ambient CO & CO2.
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View the whole Testo range

- Thermal Imaging & Smart Probes -

Testo Thermal Imaging Cameras

The measuring instrument for every application: there's no instrument as versatile as a thermal imaging camera. Detect leaks, silting and blockages in radiators, check underfloor heating, identify overheated connections, pinpoint thermal bridges, detect structural defects and much more!
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Testo Smart Probes

Our Smart Probes allow mobile and easier measurement of temperature, pressure, humidity and air flow velocity than ever before. These compact tools are ideal for all your refrigeration, air conditioning, heating and ventilation applications and can be operated with the testo Smart App from your own smartphone or tablet.
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- Heat Pumps -

Heat Pump Installation & Servicing

Carry out fast and reliable servicing on refrigeration systems and heat pumps with a testo instruments, in conjunction with the testo Smart App during commissioning, maintenance, and service.
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The testo 565i - Smart Vacuum Pump

The testo 565i Smart Vacuum Pump allows users to complete fully automatic evacuations on heat pumps and refrigeration systems. Just press play.
Testo Smart Heat Pump Vacuum

Want to learn more about Heat Pumps?

For commissioning and servicing, it is crucial that the expert technician quickly obtains the most important system parameters of a refrigerant circuit. To some extent, pressures and temperatures can be read out on modern heat pumps. However, it is only possible to be certain...
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