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With the testo 552i wireless vacuum probe including Bluetooth, you can measure vacuum wirelessly, quickly, easily and precisely via just one service connection - without any loss of refrigerant. The testo Smart App supports you with numerous intelligent functions - you recognize e.g. vacuum immediately at a glance through the graphic visualization in the app or on the display of the digital manifold. Thanks to the rugged, handy housing and proven measurement technology, the testo 552i vacuum probe is compact and reliable for vacuum measurements on refrigeration and air conditioning systems as well as heat pumps.

Product Features
  • testo 552i: App-controlled wireless vacuum probe
  • For wireless and hose-free vacuum measurement on refrigeration and air conditioning systems as well as heat pumps via just one service connection without loss of refrigerant
  • testo Smart App - everything at a glance: quickly and easily recognize vacuum through graphical visualization in the app, alarms in the event of critical values, e.g. by vibration of the smartphone
  • Handy, rugged housing with protection class IP 54
  • Integrated 45° angle for easy installation on every service connection
  • Continuously high performance under all conditions: You can rely on the testo 552i wireless vacuum probe from Testo - it combines proven Testo quality with a high level of ruggedness

Product Components
  • (1) testo 552i,
  • (1) Carton box packaging
  • Batteries
Hide Description
Product Type:



Vacuum Gauge

Measurement Range:

1100 to 0 mBar

Battery Life:

50 hours (without Bluetooth/backlighting)

Battery Type:

2 "AA" Alkaline Batteries

Measurement Rate:

1 time per 0.5 Second


2 Years




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