Pressure Calibrator
Pushbuttons
7
Pushbuttons
Pushbutton operation is described in Table 3.
Table 3. Pushbutton Functions
Pushbutton Description
U
Press to select a different pressure unit. All units are available when the pressure sensor input is used. For
higher pressure module inputs, inappropriate (out-of-range) units are not available. Press
O
on while
pressing
U
to source loop voltage.
D
ENTER
Turns pressure reading damping on and off. With damping on, the Calibrator averages several
measurements before displaying a reading. Press to confirm selection of 0 % and 100 % output parameters.
Z
Press to zero the pressure display. Vent pressure to atmosphere before you press this pushbutton. With an
Absolute Pressure Module, see special instructions below.
N
Press to read the minimum pressure and current readings since power was turned on or the registers were
cleared. Press again to read the maximum pressure and current readings since power was turned on. Press
and hold for 3 seconds to clear the MIN/MAX registers.
S
Press to perform switch test.
Z
a
Press to toggle the mA display mode between mA, mA Percent, and mA Percent Error.
h
W
Press
h
to freeze the display. The
g
symbol appears on the display. Press
h
again to resume
normal operation.
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