Fluke 725Ex User Manual page 48

725Ex
Users Manual
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.
U
2. Press (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
display units to psi, mmHg, inHg, cmH
O@20 °C, inH O@4 °C, inH
cmH
2 2
O@60 °F, mbar, bar, kg/cm
inH
2
38
U
to change pressure
O@4 °C,
2
O@20 °C,
2
2
, or kPa.
MULTIFUNCTION
725Ex
PROCESS CALIBRATOR
Pressure
Module
V mA ZERO
LOOP
V mA Hz
MEAS
SOURCE
˚ ˚
TC RTD C F
2004.1573266
LR110460
Zone 0 AEx ia IIB 171 C
STORE I.S. Class I Div 1, Groups B,C,D
100%
SETUP
25%
RECALL
25%
0%
Figure 18. Connections for Sourcing Pressure
Hand
Pump
aly19f.eps