TESTO 552 User Manual

5 Maintenance
25
- Shake the instrument briefly.
4 - Remove all the alcohol from the instrument.
5 - Repeat this process at least twice.
6 - Leave the instrument to dry for at least 1 hour. To dry the sensor
faster, you can connect the probe directly to a vacuum pump and
draw vacuum.

TESTO 552 Specifications

General

Type	Digital Vacuum Gauge
Measurement Range	0 to 26.66 mbar / 0 to 20000 microns
Battery Type	2 x AA batteries
Display	LCD
Bluetooth	Yes
Protection Class	IP40
Storage Temperature	-20 to +70 °C
Resolution	1 micron (0 to 1000 microns)
Operating Temperature	-10 to +50 °C
Accuracy	±10 microns + 10% of m.v. (100 to 1000 microns)