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Documenting Process Calibrator
Using Measure Mode
31
CAUTION
To avoid mechanically damaging the
pressure module, never apply more than 10
ft.-lbs. 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. To avoid damaging
the pressure module from corrosion, use
them only with specified materials. Refer to
the pressure module instruction sheet for
the specified material compatibility for your
pressure module.
1. Connect a pressure module to the calibrator as
shown in Figure 11. 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 M for MEASURE mode.
3.
Press p. The calibrator automatically senses
which pressure module is attached and sets its
range accordingly.
4.
To zero the pressure module, vent the module
to atmosphere, and press c. Repeat this step
until the reading is zeroed. You must perform
this step before you execute a PMLink Task that
measures pressure.
5.
If necessary, you can change pressure display
units to psi, mmHg, inHg, inH
2
O, ftH
2
O, bar, or
kPa as follows:
a.
Press s
b.
Press Next Page twice.
c.
Press e or the Choices softkey with
the cursor on Pressure Units.
d.
Select the pressure units with the u or d
keys.
e.
Press e.
f.
Press the Done softkey.