Welcome to Testo Limited

Testo Instruments - Test and Measurement Equipment


We are now offering Free Super Resolution technology on all thermal cameras. Only applies to testo 870, 875, & 875i models. Read more


About Testo

Testo instruments are widely used in the following sectors: HVAC-R: heating, ventilation, air conditioning and refrigeration. Process Industry: manufacturing industries, service companies and utilities. Food Sector: including food manufacture, transport, storage and retail. Thermal Imaging: for building surveys, maintenance, electrical inspections and production monitoring.

This website is designed to allow easy purchasing of testo products, whilst providing you with vital technical data, new products/promotions and support through our FAQ Forum. Testo instruments cover a range of measurement parameters including: Thermal Imaging, Temperature, Humidity, Velocity, Compressed Air Measurement, Gas analysis, RPM, Pressure, Light, pH, Sound and Instrument Service and Calibration.



Featured products

Saveris 2 - WIFI data loggers

Saveris 2 cloud based data loggers. With Automatic SMS and email alerts. Easy access to reports wherever you are via mobile, tablet or PC.
£99.00 (ex VAT)

Testo 270 - Cooking oil tester

Testo’s 270 allows you to determine within seconds whether cooking oil needs changing. This will not only make sure you're cooking with clean oil, but is also proven to save you money on cooking oil costs.
£345.00 (ex VAT) £299.00 (ex VAT)

Testo 550 - Digital Refrigeration Manifold (Bluetooth)

Digital refrigeration manifold, ideal for all measurement work on refrigeration systems and heat pumps. With Bluetooth capability users can now connect to our Brand New Testo Refrigeration App. Includes 2 x clamp probes, batteries case and calibration protocol. Non sight glass.
£303.93 (ex VAT) £269.00 (ex VAT)

Testo 417 - Vane Anemometer

Buy a Testo 417 F-Reg Kit and get the next year’s UKAS calibration with a 15% discount (Only Available Direct from Testo)- With integrated 100 mm vane and battery.
£320.00 (ex VAT)

Testo 870 - Thermal Imaging Camera

The testo 870 is our best ever value Thermal Imaging Camera. It combines quality with value to offer you the perfect entry level TI camera, at an affordable price. Now with Free Super Resolution technology.
£1,370.00 (ex VAT)

Testo 106 - Penetration Thermometer

Incl. probe protecting cap and battery, belt clip. Now, delivered including a certificate of conformity.
£41.16 (ex VAT) £35.00 (ex VAT)

New Testo 557 - Digital Refrigeration Manifold (bluetooth)

With Bluetooth capability users can now connect to our Brand New Testo Refrigeration App. Includes Testo 557 digital manifold, case, 2 x clamp probe, external vacuum probe, batteries and calibration protocol. Non sight glass.
£386.00 (ex VAT)

Testo 320B - Flue Gas Analyser

Award Winning Testo 320B. Quickly determine and eliminate malfunctions, monitor legal limit values and perform spot checks.
£590.00 (ex VAT)
Testo are now offering Free Super Resolution technology on thermal imaging cameras. Super Resolution is a feature of IR Soft technology which allows the user to upgrade the resolution of their thermal images. On the 870, 875 & 875i cameras for instance the image resolution will increase from 160 x 120 to 320 x 240. This effectively means that even thermal images taken with our entry level camera (Testo 870) will look the high quality that until now only high end thermal cameras could offer.
read more
Thermal analysis of Bees - Wednesday, July 22, 2015
At our head office in Alton, Hampshire one of our Areas Managers informed us that the ground was moving. Assuming that he hadn’t just spent the afternoon down the local, we went outside to have a look only to find that we had, what can only be described as a carpet of bees! This was an amazing sight yet at the same time was making a few members of the team very uneasy.
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For IT managers and support teams, server performance is the number one priority. Both customers and employees have high expectations on the efficiency and availability of IT services. Many IT service providers obtain ISO certification in order to provide proof that they do all they can to guarantee the efficiency and availability of the IT services. However, for secure operation, IT managers must keep their eye on a number of critical factors.
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