WIKA A2G-15 - Manual (Page 11)

WIKA operating instructions air2guide models A2G-10, A2G-15 11
GB
40197310.04 04/2012 GB/D/F/E/I
6. Commissioning, operation ... 8. Zero point adjustment
Commissioning
■ During the commissioning process pressure surges must be avoided
at all costs
■ Install the pressure connection according to the symbols
⊕ high pressure ⊖ low pressure
■ Use the pressure gauge only if the diaphragm is undamaged and if it
is in perfect condition with regard to safety.
7. Output signal (model A2G-15)
Output signal 0 … 10 V, 3-wire
Power supply U
B
DC 15 ... 35 V
Measuring accuracy of sensor ±3 % of end value of measuring range
Electrical connection M12 cable gland with screw terminals
Terminal configuration
Power supply
DC 15 ... 35 V
8. Zero point adjustment
In general, the zero point should only be checked and adjusted after the
system has been depressurised.
Mechanical and electrical zero point
If there is a zero point deviation (in depressurised condition), the
mechanical as well as the electrical zero point can be adjusted simulta-
neously by turning the adjustment screw located in the front.