The Testo 552i Wireless Bluetooth Vacuum Smart Probe is a vacuum probe that wirelessly connects to the Testo Smart Probe App, Testo 550s or 557s Digital Manifold via Bluetooth. This enables wireless vacuum measurements.
Measurements can be viewed on the Testo 550s/ 557s Digital Manifold’s large, graphic display or on a smartphone/ tablet via the Testo Smart App. Users can also set critical value alarms in the Testo Smart App. Please see the video below for more information regarding Testo's Smart Probes.
An integrated 45° angle means the Testo 552i Wireless Bluetooth Vacuum Smart Probe can be easily installed at service points. Its compact, ergonomic, and robust (IP54) design ensures that it remains reliable in all conditions.
The Testo 552i Wireless Bluetooth Vacuum Smart Probe is a rugged, reliable, and versatile wireless vacuum probe. It is ideal for commissioning, servicing, and maintaining refrigeration systems, air conditioning systems, and heat pumps. The Testo 552i Wireless Bluetooth Vacuum Smart Probe is particularly well suited to applications involving A2L refrigerant and corresponding norms, guidelines, and legislation.
Sensor Type | Pressure |
Measuring range | 0 to 26.66 mbar/0 to 20000 microns |
Accuracy ±1 digit | ±10 microns + 10% of m.v. (100 to 1000 microns) |
Resolution | 1 micron (0 to 1000 microns) |
10 microns (1000 to 2000 microns) | |
100 microns (2000 to 5000 microns) | |
Connection | 7/16" – UNF |
Overload | 6.0 bar/87 psi (relative: 5.0 bar/72 psi) |
General Technical Data | |
Connection | Bluetooth 4.2 |
Bluetooth® range | 150 m |
Storage temperature | -20 °C to +50 °C |
Operating temperature | -10 °C to +50 °C |
Battery type | 3 AAA microcells |
Battery life | 39 h |
Auto power off | After 10 minutes when not connected via Bluetooth |
Protection class | IP54 |
Dimensions | 150 x 32 x 31 mm |
Weight | 142 g |