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Overpressure Conditions
The HPC50 Series will read pressure up to approximately 110% of the rated pressure range. Above 110%, the display will indicate
updating. The zero function does not affect when the display will indicate
without the maximum pressure being displayed.
For instance, if a 100 psi range is zeroed when 30 psi is being applied, it will indicate that the overpressure condition has been reached at 80 psi
(i.e., 110% x 100 psi – 30 psi = 80 psi).
Overpressure can affect accuracy, but the effect is only temporary unless the sensor has been destroyed. See the
allowable overpressure ratings.
Measuring Pressure
To Measure Pressure
X
1
Connect the HPC50 using an appropriate fitting.
2
P1
Select one of the pressure modes:
,
For more information on working in the HPC50 display, see
3
From the HPC50 display, select the desired pressure units.
Select a pressure mode...
Absolute Pressure (BARO Option)
X
See
P1, P2, APMi1 or APMi2
settings to toggle between absolute and gauge pressure.
+
OL, so depending on the zero value it is possible that the display will indicate
P2
APMi1
APMi2
BARO
Dual Pres
,
,
,
, or
Navigating Through a Typical Setup.
+
OL, and readings will stop
Ranges and Resolutions table
.
then select a pressure unit.
+ OL
for maximum
HPC50 Series Operation Manual
10
Operation
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