Testo 552 is a portable digital vacuum gauge with Bluetooth®. This manual provides instructions for using the instrument.
The Testo 552 is a digital vacuum gauge designed for measuring extremely small pressures in the vacuum range. It is primarily used to monitor the evacuation of refrigeration systems and heat pumps, allowing users to measure current pressure to assess dehumidification and the removal of foreign matter like oils or gases. The device features Bluetooth connectivity for data export and integration with the testo 570 manifold.
| Vacuum measuring range | 0 to 26.66 mbar / 0 to 20,000 microns |
|---|---|
| Vacuum accuracy | ±(10% of m.v. +10 microns) |
| Operating temperature | -10 to 50 °C |
| Battery life | 50 h |
| Bluetooth Range | 20 m (free field) |
It is used to monitor the evacuation of refrigeration systems and heat pumps by measuring current pressure.
The battery life is 50 hours when background illumination and Bluetooth are not used.
The Bluetooth range is 20 meters in a free field.