Zero Point Adjustment; Options And Accessories - WIKA A2G-05 Mode D'emploi

6. Commissioning, operation ... 8. Options and accessories
Commissioning
During the commissioning process pressure surges must be avoided
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at all costs
GB
Install the pressure connection according to the symbols
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⊕ high pressure ⊖ low pressure
Use the pressure gauge only if the diaphragm is undamaged and if it
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is in perfect condition with regard to safety.

7. Zero point adjustment

In general, the zero point should only be checked and adjusted after the
system has been depressurised.
Mechanical zero point
If there is a zero point deviation (in depressurised condition), the zero
point can be adjusted by turning the adjustment screw.

8. Options and accessories

Mark pointer
The mark pointer indicates the maximum allowable differential pressure
on the dial. It can be adjusted manually to the desired value.
Standard accessories
3 mounting screws
Measuring hose
Plastic, for inner diameter 4 or 6 mm, reels available at 25 m
10
WIKA operating instructions air2guide model A2G-05