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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.
Free gift this summer with Testo flue gas analysers
Available from participating distributors.
Offer valid 01/05/2026 - 31/08/2026
Just passed your F-Gas?
Everything you need in one bundle.
The testo 558s Ultimate Refrigeration Kit.
Smart climate measurement
starts with Testo
Accurate temperature, humidity, and air quality measurement for professional environments.
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.
Free gift this summer with Testo flue gas analysers
Available from participating distributors.
Offer valid 01/05/2026 - 31/08/2026
Trending at Testo
The latest innovations, events, and insights from Testo making an impact across UK industries.
Free gift this summer with Testo Flue Gas Analysers
Free gift this summer with Testo Digital Manifolds
NEW: testo Smart Connect
A new era in cloud-based data management for HVAC/R professionals starts here.
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.
Food
Ensuring the highest food quality and safety is imperative. From the first stage to the last, from transport via storage to sale.
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.
Industry
Compact measuring instruments enable precise measurements in industrial applications – robust, flexible, easy to operate and with mobile connectivity for efficient workflows.
Trusted by professionals
Testo have become vital in my daily work. It takes away the guesswork when diagnosing systems, letting me clearly see potential issues.
What I like about the testo products I use, is the Bluetooth capability, which allows seamless connection to the app.
Our company has consistently chosen Testo for the past three generations of manifolds due to their ability to adapt to industry advancements.
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.
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.
How to contact us.
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.