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Testo 552i Wireless Vacuum Probe
  • Testo 552i Wireless Vacuum Probe
  • Testo 552i Wireless Vacuum Probe
  • Testo 552i Wireless Vacuum Probe
  • Testo 552i Wireless Vacuum Probe

Testo 552i Wireless Vacuum Probe

Testo Approved distributor and service company.

Includes: App-controlled testo 552i wireless vacuum probe, including batteries and calibration protocol.

0564 2552
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The testo 552i App-controlled wireless vacuum probe expands the Testo Smart Probes portfolio with the option of measuring vacuum wirelessly and via just one service port.Used with the testo Smart App, the Smart Probe is also perfect for quick vacuum measurement. With the graphic display and critical value alarms in the testo Smart App, you have everything at a glance in your hand.

For the purposes of wireless vacuum measurement, the testo 552i automatically connects to the digital manifolds testo 550s and testo 557s via Bluetooth. Thanks to its proven quality and great durability, you can rely on your wireless vacuum probe in any conditions.

Requires the testo Smart App. Get an overview of everything: Detect vacuum quickly and easily via a graphic illustration in the app, with an alert in the event of any critical values, e.g. through vibration of the smartphone.


Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen.
Connects automatically via Bluetooth® to the testo Smart App and digital manifolds.
Exceptionally compact and reliable thanks to the robust, easy-to-handle housing with IP 54 protection class.
Easy installation at any service port thanks to the integrated 45° angle.

Testo 55x Product Video

Testo 552i Specifications
Absolute Pressure
Measuring range 0 to 26.66 mbar /
0 to 20000 micron.
Accuracy ±(10 micron + 10 % of mv) (100 to 1000 micron).
Resolution 1 micron (0 to 1000 micron) /
10 micron (1000 to 2000 micron) /
100 micron (2000 to 5000 micron) /.
Overload absolute: 6.0 bar / 87 psi
(relative: 5.0 bar / 72 psi).
General technical data
Dimensions 160 x 110 x 50 mm.
Operating temperature -10 to +50 °C.
Protection class IP42.
System requirements requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0.
Battery type 2 AA.
Battery life 50 hrs (without Bluetooth/backlighting).
Connection 2 x 7/16“ UNF.
Interface Bluetooth® 4.0 wireless technology.
Parameter mbar; micron; mmHg; Torr; inHg; inH20; hPa; Pa.
Measuring rate 0.5 s.
Storage temperature -20 to +50 °C.
Weight 500 g.


Testo 552i Datasheet

PDF Specifications of the Testo 552i App-controlled wireless vacuum probe.

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Testo 552i Wireless Vacuum Probe

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