Fluke 725Ex - Page 48

725Ex
Users Manual
38
1. Connect a pressure module to the Calibrator as
shown in Figure 18. The threads on the pressure
modules accept standard ¼ NPT pipe fittings. Use the
supplied ¼ NPT to ¼ ISO adapter if necessary.
2. Press
U (lower display). The Calibrator
automatically senses which pressure module is
attached and sets its range accordingly.
3. Zero the pressure module as described in the
module’s Instruction Sheet. Modules vary in zeroing
procedures depending on module type.
4. Pressurize the pressure line with the pressure source
to the desired level as shown on the display.
If desired, continue pressing
U to change pressure
display units to psi, mmHg, inHg, cmH
2
O@4 °C,
cmH
2
O@20 °C, inH
2
O@4 °C, inH
2
O@20 °C,
inH
2
O@60 °F, mbar, bar, kg/cm
2
, or kPa.
Hand
Pump
Pressure
Module
V mA
LOOP
V mA
TC RTD
˚
C
˚
F
Hz
100%
25%
25%
RECALL
ZERO
MEAS
SOURCE
STORE
SETUP
0%
MULTIFUNCTION
PROCESS CALIBRATOR
725Ex
2004.1573266
LR110460
Zone 0 AEx ia IIB 171 C
I.S. Class I Div 1, Groups B,C,D
aly19f.eps
Figure 18. Connections for Sourcing Pressure