Testo 552i Smart Probe Vacuum Gauge

Key Features:
  • 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 550s and 557s
  • Exceptionally compact and reliable thnaks to the robust, easy-to-handle housing with IP54 protection class for outdoor use
  • Easy installation at any service port thanks to the integrated 45° angle
  • testo Smart App (free download)
  • Calibration certificate
  • 120m bluetooth range

Testo 552i Smart Probe Vacuum Gauge allows simple measurement of system evacuation via a single service port. The testo 552i automatically connects to the testo 550s and 557s digitam manifolds and can also be used in conjunction with the 550i via the smart app.

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Technical Specification
Absolute Pressure
Measuring range 0 to 26.66 mbar /

0 to 20000 micron

Accuracy ±10 micron + 10 % of mv (100 to 1000 micron)

±(1

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
Operating temperature -10 to +50 °C
Protection class IP54
System requirements requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.2
Product colour black/orange
Auto-off 10 min*
Battery type 3 AAA micro batteries
Battery life 39 h
Connection 7/16“ UNF
Interface Bluetooth® 4.2
Storage temperature -20 to +50 °C

* when not connected via Bluetooth

Additional information

Weight 0.142 kg
Dimensions 15 × 3.2 × 3.1 cm
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