This manual provides operating instructions, safety guidelines, technical specifications, and maintenance procedures for the Testo 552 Bluetooth digital…
The Testo 552 is a digital vacuum gauge designed to precisely measure small pressure changes within a vacuum. It allows users to monitor the evacuation process of refrigeration systems and heat pumps in real-time during commissioning. The device features a color display, multiple connection options including Bluetooth connectivity for data export, and can function as a sensor for the Testo 570 manifold gauge. This manual is written in Chinese.
| Vacuum Range | 0 - 26.66 mbar / 0 - 20,000 microns |
|---|---|
| Vacuum Accuracy (100-1,000 microns) | ± (10% reading + 10 microns) |
| Operating Temperature | -10 ~ 50 °C |
| Battery Life (no backlight, Bluetooth off) | 50 hours |
| Protection Class | IP 42 |
| Measurement Cycle | 0.5 seconds |
The instrument measures a vacuum range from 0 to 26.66 mbar or 0 to 20,000 microns.
The battery life is approximately 50 hours when the backlight and Bluetooth are turned off.
Yes, it can connect to a Testo 570 via a MiniDIN interface cable to act as a sensor.