TESTO 552 - Page 16

4 Operation
16
3
- Press to set the pressure unit
required.
4 - Press .

The unit is set.

The display shows the temperature
unit.
5
- Press to set the temperature unit
required.
6 - Press .

The temperature unit is set.

The display shows the setting for the
alarm threshold.
Adjusting the alarm threshold causes an alarm to be triggered when
the set value is exceeded.