Made to make it easy.

The new compact HVAC measuring instruments from Testo.

Multitool for

ventilation professionals.

Unpack and get going.

With the versatile testo 440 complete kits.

 Refrigeration systems at its Best

Smart and simple refrigeration measurement technology- with perfectly connected instruments.

Test better
Taste better
Save More.

With Cooking oil tester testo 270

The truly Smart Flue Gas Analyzer

made for the digital age.

Individually strong. 

Together Unbeatable.

testo 400 is now compatible with 

the testo 420 volume flow hood

Know more about our German measurement technology.

See where we can meet.