Martel Electronics 320 - Manual (Page 6)

INTRODUCTION:
GENERAL DESCRIPTON
The Model 320 pressure calibrator is a compact,
versatile, functionally styled calibrator. The unit is
menu driven, so technicians can immediately begin
using it to its fullest capabilities without extensive
training.
The Model 320 faceplate consists of three functional
areas:
At the top is a two line, alphanumeric liquid crystal
display (LCD) for simltaneous indication of pressure
and milliamps/volts readings and operator prompting.
The center section is a membrane keypad for operator
entry.
The lower left section contains recessed input jacks
for connecting the supplied test leads to the device
being calibrated.
The pressure connectors are at the lower end of the
case and are 1/8” FNPT.
The Loop Power Supply (LPS) is an option that
provides 24 VDC to power the device under test if
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