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HE 5411 Operating Instructions
#340411 | version 1.7
23
8
Operation
8.1
Offset for Zeroing
Note!
The device has been set to the correct value in the factory and does not
need to be modified.
Explosion hazard!
This function must only be used outside of EX Zones, since the housing
must be opened under voltage. Before opening the housing, make sure
that no explosive environmental conditions, such as dust, exist.
Should a zeroing need to be carried out, a warm-up time of 30 minutes must be observed.
2 × short
1.
Double clicking on the button will accept the current
pressure at the pressure connections as 0 mbar (AUTO
ZERO). The measured pressure must be in the range of ±10
% from the sensor measuring range to the zero point in
order to achieve a successful zeroing.
1 × long
2.
A long press on the button resets the offset with respect to
the zeroing to 0 mbar.