Truly smart
combustion measurement.

FREE Wiha speedE with purchase of testo 300 Combustion Analyzer

Air flow and IAQ measurement improved to the max

The new testo 400 universal IAQ instrument

Next Generation Smart Probes

Select models now with extended range up to 350 Feet!

Intelligent Food Safety

Create visibility and flexibility in your food safety program with
Testo Saveris Food Solutions

Intuitive air velocity and IAQ.

The new testo 440 air velocity and IAQ meter, now available!

Every drop is precious.

Guarantee cooking oil quality
and save costs.