WEBTEC HPM4000, User Manual

Page: 40 / 121

40 V1.0/02/12
Instrument settings
4.10 ZeRO – calibrate for offset error
4.10.1 ZeRO – input offset
ZERO – Input Offset resets the zero point for the connected sensors.
The zero point calibration is carried out for safety reasons only when the calibrating values are less than 5% of full scale value of
the sensors. Otherwise, the display shows OFL.
The offset is saved until the instrument is turned off.
cautIOn
The zero point calibration of pressure sensors should only be carried out in a de-pressurised state.
RESET
ZERO
OK OK
3 s