Pressure Calibrator with Electric Pump
Getting Acquainted with the Calibrator
7
Table 4. Pump Features
Item Description
A Internal Pump- Press P to activate internal
electric pump and source pressure/vacuum.
B Pressure Vacuum Switch- Rotate forward
(clockwise) for pressure, backward (counter-
clockwise) for vacuum.
C Pressure/Vacuum Release Valve- Rotate fully
backward (counter-clockwise) to release all
pressure or vacuum. (Rotate slightly for partial
release.) Rotate fully forward (clockwise) to
close valve.
D Fine Adjustment Knob-Rotate either direction
for precise adjustment of applied pressure or
vacuum. Full rotation is about 30 turns.
mA
OUTPUT
25% Step
COM
30V
MAX
SOURCE/SIMULATE
0-24 mA
LIMITS
ADJUST ALL.
PUMP
mA
MIN
MAX
SWITCH
TEST
2
3
4
1
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Figure 3. Pump Features
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