Welcome to Testo Limited

Testo Instruments - Test and Measurement Equipment 


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

Testo Saveris 2 - Cloud Based Data Monitoring System

SAVE UP TO £399! Testo's new and improved Saveris 2 uses revolutionary technology to make temperature and humidity analysis both easier and more accurate than ever before. Using a Cloud-based monitoring system it allows information to be stored and accessed remotely.
£120.00 (ex VAT)

New 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)

New Testo 549 - Digital Refrigeration Manifold

At under £200 the New Testo 549 digital refrigeration manifold is our best ever value manifold. Ideal for all measurement work on refrigeration systems and heat pumps. Includes batteries and calibration protocol.
£237.60 (ex VAT) £198.00 (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.
£1,370.00 (ex VAT)

Testo 540 - Lux Meter

incl. protection cap, wrist strap, belt holder, batteries and calibration protocol
£104.40 (ex VAT)

Testo 320B - Flue Gas Analyser

Award Winning Testo 320B. Quickly determine and eliminate malfunctions, monitor legal limit values and perform spot checks. Includes FREE Dual USB In-Car Charger - Limited Offer While Stocks Last (when you buy direct from Testo).
£590.00 (ex VAT)
Testo will be exhibiting at PHEX, Alexandra Palace on the 20th-21st of May. We will be showcasing some of our most popular, newly launched products as well as offering specialist advice and industry insight...
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We are currently looking for a Distribution Account Executive, based at our offices in Alton, Hampshire. In conjunction with the Market Manager for the HVAC/R market you will be responsible for the account management of Distributor branches.
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They're finally here. Introducing the next generation of digital refrigeration manifolds: the New testo 549, 550, and 557 (testo 557 coming soon). Now with 60 refrigerant profiles and the added functionality of leak tests, Testo digital manifolds really are the perfect tool for every job. With the option of Bluetooth capability users can now connect to our Brand New Testo Refrigeration App, which is exclusively available to Testo customers.
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