Fluke 718 Series, User Manual

Page: 17 / 36

Pressure Calibrator
Zeroing with Absolute Pressure Modules
9
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
a
(
Z
) to increase or
h
(
Y
) 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
ZERO
HOLD
BAR
OM
ETR
IC A
DJ.
mA
MODE
RANGE
O 1 PSI
MAX
5 PSI
P
-7
O 7 kP
MIN
MAX
SWITCH
TEST
wh009f.eps
Figure 3. Pump Features