Airlfow and IAQ measurment re-invented with SmartTouch

The new testo 400 universal IAQ instrument.

Flue gas measurement
truly smart.

The new testo 300 with smart-touch technology.

We connect measurement technology
to the digital world.

Welcome to the
Smart World of Testo.

Digital, not analog:
One manifold for all refrigeration systems.

Intuitive air velocity
and IAQ.

The new testo 440 combines versatility with maximum ease of use.

Minimalistic design.
Maximum control.

The testo 160 monitoring system