Directly from the manufacturer
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Directly from the manufacturer
1st year service free &
save an extra 20%!
When you purchase a testo 300 or testo 327 this heating season
Offer valid 01/09/2026 - 31/12/2026
T's and C's Apply.
Just passed your F-Gas?
Everything you need in one bundle.
The testo 558s Ultimate Refrigeration Kit.
1st year service free &
save an extra 20%!
When you purchase a testo 300 or testo 327 this heating season
Offer valid 01/09/2026 - 31/12/2026
T's and C's Apply.
Trending at Testo
The latest innovations, events, and insights from Testo making an impact across UK industries.
NEW: Testo Leak Detector Range
The new testo 51x range delivers fast response, precise results and full control on every job.
1st Year Service Free!
When you purchase a testo 558s this heating season
T's and C's Apply.
NEW: testo 862 thermal imaging camera
The NEW compact thermal imaging camera designed to make everyday inspections quicker, easier and more reliable.
Data Logger Sale!
Save 15% off selected data loggers.
T's and C's Apply.
1st Year Service Free & Save an Extra 20%!
When you purchase a testo 300 or testo 327 this heating season
T's and C's Apply.
NEW: testo 565i ex ATEX Vacuum Pump
Introducing the all-new testo 565i EX — the next generation of safe, smart evacuation is 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.