TESTO 552 User Manual

4 Operation
17
7
- Press to set the alarm threshold.
8 - Press .

The alarm threshold is set.

The display shows the AutoOff
setting.
If AutoOff is activated, the instrument switches off after 15 minutes
when ambient pressure is applied to the sensor.
9
- Press to switch AutoOff on or off.
10 - Press .

All settings are stored.

The display changes to the measuring
mode.

The instrument can now be used.

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)