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To Zero the Calibrator
X
(
)
1
Press the
zero
button to activate the
(
)
2
Press the
function
button for the sensor that you would like to zero.
The display will change to dashed lines (- - - - -) and the reading will be zeroed.
Zeroing the P2 sensor.
To Clear the Zero Value
X
(
)
1
Press the
zero
button to activate the
(
)
2
Press and hold the
function
button for the sensor that you would like to unzero until the display changes from (- - - - -) to (- - -).
To Clear the Peaks
X
(
)
1
Press the
zero
button to activate the
(
)
2
Press the
function
button for
Peaks
to reset the P1, P2, and APM peaks.
(
)
3
Press the
function
button for the peaks you would like to clear. The Hi, Lo, and
Note:
If you attempt to zero the gauge with more pressure applied than the Zero Limit set on the HPC50 (or with CrystalControl) the command will be
ignored, and
Over Zero Limit
will display.
Note:
The BARO sensor cannot be zeroed.
!
WARNING: This calibrator can display zero pressure when connected to a source of pressure! Do not rely on the display indication before disconnecting—
it may not be indicating true pressure. Never disconnect pressure instrumentation without first relieving system pressure!
Differential Pressure
The HPC50 Series can display differential pressure when 2 or more sensors are installed (including external APMi). The modules do not have to be the same
full scale pressure range.
(
)
function
buttons for the available pressure sensors.
(
)
function
buttons for the available pressure sensors.
(
)
function
buttons for the available pressure sensors.
Filter
will all display (- - - - -).
11
Operation
HPC50 Series Operation Manual
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