TESTO 552 User Manual

4 Operation
15
4.3 Switching background illumination on
and off
1 - Switch the instrument on.
- Press .

The background illumination switches
on or off.
4.4 Setting units and AutoOff
The set-up menu must always be completely navigated through, even
if only one parameter needs to be changed.
1 - Switch the instrument on.
2 - Press to change settings.

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)