Smartphone pressure gauges

From differential pressure to high pressure: The compact pressure gauges operated by smartphone from the testo Smart Probes range are handy tools for those key pressure measurements. At the same time, their practical design, smart technology and convenient handling are also particularly impressive.

Best seller: testo 510i

We recommend these smartphone pressure gauges

testo 510i – differential pressure measuring instrument operated by smartphone

testo 510i

Measures differential pressure, air flow velocity and volume flow.

testo 549i – high-pressure measuring instrument operated by smartphone

testo 549i
For servicing and troubleshooting air conditioning and refrigeration systems, but also for use in their installation.

testo 552i – vacuum gauge operated by smartphone


For accurate hose-free vacuum measurement on refrigeration systems, air conditioning systems or heat pumps

We recommend these Smart Probes kits with smartphone pressure gauges

testo Smart Probes AC & refrigeration test kit

testo Smart Probes – refrigeration kit plus

testo Smart Probes VAC kit

Overview of all Smart Probes and Smart Probes kits