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

Testo Smart Probes

These pocket-sized, professional measuring instruments are operated directly from your smartphone or tablet. Each instrument has been designed for it’s own specific application, measuring temperature, humidity, pressure or flow velocity.
£39.00 (ex VAT)

Testo 320B - Flue Gas Analyser

Award Winning Testo 320B Flue Gas Analyser. Quickly determine and eliminate malfunctions, monitor legal limit values and perform spot checks.
£590.00 (ex VAT)

Testo Smart Probes - Refrigeration Set

For servicing, commissioning and error detection on air conditioning and refrigeration systems. Consists of: 2x testo 115i, 2x testo 549i, testo Smart Case (refrigeration), batteries, calibration protocol.
£165.00 (ex VAT)

Testo 420 - Volume flow hood

Volume flow hood, with body, 610 x 610 mm flow hood, 5 x tension rods, USB cable, batteries and trolley
£1,990.00 (ex VAT)

Testo Smart Probes - Heating Set

For pressure and temperature measurement on heating systems. Consists of: testo 115i, testo 510i incl. hose set (Ø 4 mm and 5 mm) with adapter, testo 805i, testo Smart Case (heating), batteries, calibration protocol
£159.00 (ex VAT)

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.
£89.00 (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.
£999.00 (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.
£299.00 (ex VAT)
Testo has an opportunity for a Sales Specialist to sell HVAC/R measurement instrumentation in the North of England, Scotland and Ireland. Candidates must be comfortable talking to senior management, contractors and resellers as the role will be split between direct touch sales and distribution management. The role is to develop new opportunities by focussing on agreed ‘top potential’ customers, managing existing customers, and managing distribution sales...
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There are a number of factors which come into account when choosing a thermal imaging camera, and not just the price. Depending on your individual application, somewhat careful selection is required to ensure the camera provides the neccessary features and is right for you...
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1 in 5 boilers will breakdown this Winter - Friday, December 18, 2015
As the heating and gas engineers out there reading this will know, deep into winter as we now are, we are also now deep into the busy period for boiler malfunctions and breakdowns. This means a significant increase in work loads as last winter it is estimated that 1 in 5 boilers suffered a breakdown.
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