Welcome to Testo Limited

Testo Instruments - Test and Measurement Equipment


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 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 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.
£303.93 (ex VAT) £269.00 (ex VAT)

Testo 270 - Cooking oil tester

The New and improved testo 270 is latest generation of our proven range cooking oil testers. Testo’s 270 allows you to determine the quality of cooking oil faster and more reliably than ever before.
£365.31 (ex VAT) £345.00 (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 104 - Waterproof Digital Penetration Thermometer

Offers Waterproof, practical and strong support when taking temperature measurements. Folds away for easy storage.
£70.20 (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.
£1,370.00 (ex VAT)

Testo 410-1 - Compact Vane Anemometer

with integrated NTC air thermometer incl. protection cap, batteries and calibration protocol, wrist strap, belt holder, protective cap
£81.00 (ex VAT)
Yesterday was officially the hottest day of the year and if the forecasts are to be believed there's more of the same to come. In these conditions many of us rely on our building air conditioning and cooling systems to get us through the day. Luckily testo have just the instruments to make sure the temperature stays comfortable. Here's a round up of your Summer Support to get you through the summer...
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From now on we will be running a monthly competition to name the 'Testo image of the month' with the winner receiving a Mystery Prize. But that's not all, the winner's image will also be used on the official Testo UK website: , and they will receive their very own Testo mug! So with that in mind it is our pleasure to announce this months winner, Congratulations John Nicholson! You have won a Testo Dual USB Car Charger, a leather Testo Pocket line instrument case, and your very own Testo mug! Your image is also now on the official Testo website, please follow the link below to check it out...
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Every boiler must function optimally to maintain low energy consumption, and reduce CO2 and other pollutant emissions. The most effective way to ensure such optimum performance is with regular testing and adjustment. Testo have launched a new version of the 330LL, which offers advanced diagnostic features, which until now, have never been available on a flue gas analyser for domestic and commercial engineers.
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