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Are you Ready for Awaab’s Law?

Testo provides high-precision instruments to help housing providers, landlords, and contractors meet new UK legal requirements on damp and mould remediation.

Awaabs-law

Make light work of boiler servicing

Free Durabeam Torch with testo 300+ and 327. While stock lasts!

2026-FGA-Winter-Promo

Sign up to win!

Register to the Testo Instruments Manager for a chance to win a testo 860i thermal imaging camera. New winner drawn every month. T's & C's apply.

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Have you seen the new guidelines for kitchens?

See how Testo can help keep your cooking and storage processes compliant and help make your kitchen audit-ready.

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Are you Ready for Awaab’s Law?

Testo provides high-precision instruments to help housing providers, landlords, and contractors meet new UK legal requirements on damp and mould remediation.

Awaabs-law

Make light work of boiler servicing

Free Durabeam Torch with testo 300+ and 327. While stock lasts!

2026-FGA-Winter-Promo

Trending at Testo

The latest innovations, events, and insights from Testo making an impact across UK industries.

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The Big Spring Sale

This Spring save up to 25% off our best sellers. Be quick offer ends soon!

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Win The Ultimate Bundle Giveaway

Enter for your chance to win over £1500 worth of kit!

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Make light work of boiler servicing.

Free Durabeam torch with all testo 327 and 300+ gas analyser kits!

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Make light work of refrigeration systems.

Free Durabeam torch with all testo 558s digital manifold kits!

Win a testo 860i

Chance to win a testo 860i with Testo Instruments Manager.

Bestsellers and offers

Here you'll find our online shop bestsellers and special offers.

The right solutions for your industry & application

HVAC/R

Our compact HVAC measuring instruments deliver precise results wherever they are needed – quickly, flexibly and intuitively. With a direct connection to the smartphone, all data is immediately available.

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Food

Ensuring the highest food quality and safety is imperative. From the first stage to the last, from transport via storage to sale.

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Pharma

In the research, production or application of sensitive pharmaceuticals, safety is paramount. From research in the laboratory through to GxP-compliant production and uninterrupted monitoring of the cold chain during transport and storage.

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Industry

Compact measuring instruments enable precise measurements in industrial applications – robust, flexible, easy to operate and with mobile connectivity for efficient workflows.

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Testo News

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Trusted by professionals

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Testo have become vital in my daily work. It takes away the guesswork when diagnosing systems, letting me clearly see potential issues.

Harry
Senior Service Engineer, BMC Eirco Refrigeration & HVAC, United Kingdom
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What I like about the testo products I use, is the Bluetooth capability, which allows seamless connection to the app.

John Atkin
Fleet Manager, Lynx AC, United Kingdom
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Our company has consistently chosen Testo for the past three generations of manifolds due to their ability to adapt to industry advancements.

Chloe Jennings
Service Manager, Delta T Refrigeration, United Kingdom

Expertise & services

From pros for pros.

Knowledge that takes you further.

Whether it's product or industry knowledge – we support our customers with relevant expertise for their day-to-day work. Select the topic area that matters to you right now, and get started straight away.

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testo Smart App

One App for all applications

In addition to the usual precise measurements, discover effortless, reliable and HACCP-compliant digital documentation in future.

Get it on Google PlayDownload on the App StoreExplore it on AppGallery
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How to contact us.

Testo UK

Newman Lane, GU34 2UR, Alton, Hampshire, United Kingdom

01420 544433

info@testo.co.uk

Professional measurement technology for
daily measurement tasks

With measuring instruments, solutions and services from Testo you have the confidence that you’re making the right decision, time and time again.

Contact Us
Testo Ltd
Newman Lane
GU34 2URAlton
HampshireUnited Kingdom
01420 544433

Opening hours

Monday-Thursday: 8:30am - 17:00pmFriday: 8:30am - 16:00pm
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