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Operating
Instructions
PHT
38
© SICK AG • Germany • All rights reserved
8013362/1DQY/2021/10/12
Z = Zero
S = Span
Devices with field housing
Make sure wires are not cut or pinche
during disassembly and reassembly of the
connector.
Open the pressure transmitter by twisting
off the field case over.
Adjust the zero point (Z) by generating the
lower limit of the pressure range.
Adjust the span (S) by generating the higher
limit of the pressure range.
Check the zero point.
If the zero point is incorrect, repeat proce-
dure as required.
Reassemble the instrument carefully.
Make sure all sealings and O-rings are not
damaged and correctly installed to assure
the rated moisture ingress protection.
8. Adjustment of zero point / span