testo 55x Product Smart | Opus T

Everything at a glance. In your hand.
New refrigeration technology from Testo.
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Today’s way of installing and servicing refrigeration systems and heat pumps.
With the new generation of digital manifolds from Testo.

Fast measurement and easy operation
via large graphic display and testo Smart App

Compact, reliable and robust
thanks to extremely rugged design and easy-to-handle housing

Wireless measurement, uncomplicated documentation
with Bluetooth probes and multi-functional testo Smart App