Makes Analog Gauges Obsolete

The testo 549 digital manifold is a breakthrough value, making analog gauges obsolete

Next-Generation 550 with Free Bluetooth Linked App

The testo 550 instantly displays superheat and sub-cooling for up to 60 refrigerants

Measurement Solutions for AC/R Systems

Testo has stayed on the forefront to offer better, accurate refrigeration manifolds

Stop Wasting Oil

The new testo 270 takes the guesswork out of managing your cooking oil to improve your restaurant's bottom line.

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Makes Analog Gauges Obsolete

The testo 549 digital manifold is a breakthrough value, making analog gauges obsolete

More Info

Next-Generation 550 with Free Bluetooth Linked App

The testo 550 instantly displays superheat and sub-cooling for up to 60 refrigerants

More Info

Measurement Solutions for AC/R Systems

Testo has stayed on the forefront to offer better, accurate refrigeration manifolds

More Info

Stop Wasting Oil

The new testo 270 takes the guesswork out of managing your cooking oil to improve your restaurant's bottom line.

More Info

Have confidence in your data!

From cold storage to blood storage, with Testo's line of data loggers, you can have confidence in your data.

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Reliably optimize the use of cooking oil!

Learn how the testo 270 cooking oil tester easily, quickly and reliably determines the quality of cooking oil.

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Get a compliance testing edge!

Learn how the testo 350 portable emission analyzer can meet your testing needs.

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Reliable partner for analyzing Indoor Air Quality!

Learn how the testo 435 multi-function measuring instrument signals if the HVAC system is working at optimum energy level.

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Leading innovator in state-of-the-art measuring technology – Testo, Inc.

Are you looking for user-friendly measuring tools for your business? We offer our industrial and craft customers the ideal measuring instruments for everyday use. State-of-the-art. Fast. Reliable.

We are breaking new ground for our customers in innovative measuring technology worldwide.

Whether you need HVAC/R measuring technology, environmental measuring instruments or measuring instruments for the food, pharmaceutical and health industries - Testo offers you the right measuring instrument for every job.

Professional measurement systems

Our electronic measuring instruments enable you to save energy through optimum usage. The measurement systems ensure hygiene and safety of food in large-scale kitchens, make your premises comfortable places to be, minimize emissions and comply with the strictest requirements in pharmaceutical production. Furthermore, Testo's electronic measuring instruments put you at the forefront of environmental protection and energy efficiency.

Start today with Testo AG's electronic measuring instruments and measurement systems.

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