Setting Of Zero Point And Span - WIKA SA-11 Manual De Instrucciones

7. Setting of zero point and span

7. Setting of zero point and span
The span-setting potentiometer is used for factory adjustment and should only be readjusted if calibrati-
on equipment is available which has at least three times the accuracy of the pressure transmitter.
7.1 Access to potentiometer
To gain access to the potentiometers, open the instrument as follows:
Clamping nut (figure A)
1. Disconnect the electrical connection (1) from the instrument.
2. Remove the clamping nut (2).
3. Carefully pull the instrument connector (3) from the instrument.
Opening the case (figure A)
Unscrew the screw on the top of the case or the case cover of the field case.
A
Clamping nut
WIKA operating instructions pressure transmitter, model SA-11
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Field case
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