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Maintenance
4
Zero reset
4 Maintenance
4.1 Zero reset
Perform the zero reset without tubes
Blue
10...20 s
20 | 22
Siemens
Building Technologies
NOTICE
Use cases of the zero reset
●
As the allowed mounting position is vertical only (see "Mounting [➙ 4]") the
sensor does not have to be recalibrated during commissioning in the case of
normal pressure measurement.
●
Only in case of relative pressure measurement (pressure nipple "-" connected
to ambient atmosphere) a zero point calibration is recommended during
commissioning.
Afterwards connect the tubes again
A6V11478123_en_a
2019-02-01
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