725Ex
Users Manual
28
Measuring Pressure
Many ranges and types of pressure modules are available
from Fluke. See “Accessories” near the back of this
manual. Before using a pressure module, read its
instruction sheet. The modules vary in use, media, and
accuracy.
Figure 12 shows the Gage and Differential modules.
Differential modules also work in gage mode by leaving
the low fitting open to atmosphere.
To measure pressure, attach the appropriate pressure
module for the process pressure to be tested
Proceed as follows to measure pressure:
W Warning
Use only Fluke 700PEx series pressure modules.
To avoid a violent release of pressure in a
pressurized system, shut off the valve and slowly
bleed off the pressure before attaching the
pressure module to the pressure line.
Differential
HighLow
BURST PRESSURE 45 PSIG
PRESSURE MODULE
RANGE
Gage
RANGE
BURST PRESSURE 300 PSIG
PRESSURE MODULE
aly11f.eps
Figure 12. Gage and Differential Pressure Modules
WCaution
• To avoid mechanically damaging the pressure
module, never apply more than 10 ft.-lb. (13.5
Nm) of torque between the pressure module
fittings, or between the fittings and the body
of the module. Always apply appropriate
torque between the pressure module fitting
and connecting fittings or adapters.
• To avoid damaging the pressure module from
overpressure, never apply pressure above the
rated maximum printed on the pressure
module.
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