718 30G/100G
Users Manual
8
Zeroing with Absolute Pressure Modules
For zeroing, adjust the Calibrator to read a known
pressure. This can be barometric pressure, if it is
accurately known, for all but the 700PA3 module. An
accurate pressure standard can also apply a pressure
within range for any Absolute Pressure Module. Adjust the
Calibrator reading as follows:
1. Press and hold
Z
.
2. Press
c
to increase or
h
to decrease the
Calibrator reading to equal the applied pressure.
3. Release
Z
to exit the zeroing procedure.
Press the
U button to convert to any convenient
measurement display unit.
Pressure/
Vacuum
Switch
Fine
Adjustment
Knob
Internal Pump
Pressure/Vacuum
Release
Control
COM
mA
30V
MAX
0-30psi 0-206kPa
RANGE
90psi 620kPa
MAX
ZERO
MIN
CLR
MAX
HOLD
BAROMETRIC ADJ.
wh009f.eps
Figure 3. Pump Features
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