testo 552i – wireless vacuum sensor

App-controlled wireless vacuum sensor

  • Identify vacuum quickly and easily using the graphical display in the testo Smart app or on the digital manometer stand display
  • Connects automatically via Bluetooth® to the testo Smart app and to digital manometer stands
  • Exceptionally compact and reliable thanks to the easy-to-handle, robust instrument housing with IP 54 protection class.

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Finns i lager

Finns i lager

testo 552i – app-controlled wireless vacuum sensor

Wireless vacuum measurements via a single connection: the app-controlled vacuum sensor testo 552i with Bluetooth enhances the testo SmartProbes range. Reliable measurement results, robust and easy to use, the vacuum sensor provides optimal support for the correct emptying of chillers, air conditioning systems and heat pumps.

  • For wire and tubeless vacuum measurements on chillers, air conditioners and heat pumps with a single connection – without loss of refrigerant.
  • The testo Smart app – gives you a total overview: View vacuum values quickly and easily via a graphical illustration in the app, with a warning for any critical values, e.g.: “Vacuum”. through vibrations in your smartphone
  • Automatic connection via Bluetooth: The sensor connects to the testo Smart app or to the digital manometer stand from Testo, e.g.. testo 557s, testo 550s – so that you can also read the measured values on the large display of the pressure gauge stand.
  • Practical, robust instrument housing with protection class IP 54
  • Built-in 45-degree angle for easy mounting on all connections
  • Continuously high performance in all conditions: You can rely on this vacuum sensor from Testo – it combines proven Testo quality with very robust properties.

Included in the delivery

The app-controlled wireless vacuum sensor testo 552i, incl.. batteries and factory protocols.

Fabriksprotokoll: utfärdas på fabriken efter en kontroll av att produkten fungerar och uppfyller angiven mätnoggrannhet. Läs om skillnaden mellan fabriksprotokoll och ackrediterad kalibrering.

Sensor typePressure
Measurement range0 … 26.66 mbar / 0 … 20,000 microns
Accuracy ±1 digit± 10 microns + 10% of mv
(100 … 1,000 microns)
Resolution1 micron (0 … 1000 micron)
10 micron (1000 … 2000 micron)
100 micron (2000 … 5000 micron)
Connection7/16" – UNF
Overload6.0 bar / 87 psi (relative: 5.0 bar / 72 psi)
General technical data
ConnectionBluetooth 4.2
Bluetooth® range150 m
Storage temperature-20 °C ... +50 °C
Operating temperature-10 °C ... +50 °C
Battery type3 AAA batteries
Battery life39 hours
automatic shutdownAfter 10 minutes (not connected via Bluetooth)
Protection classIP54
Size150 x 32 x 31 mm
Weight142 g
There are no probes for this item.
Datablad testo 552i

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testo 552 – digital vacuum meter

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