P5514B-70M/P5514B-70M-EP
Users Manual
4
Operation
Priming
Follow these steps:
1. Open the reservoir valve one turn counter clockwise and turn screw press fully in.
2. Close the valve and turn screw press fully out.
3. Open the valve and turn screw, press fully in.
Note
During this operation, bubbles can appear in the reservoir as trapped air is expelled.
For large volumes, repeat steps 2 and 3 until no further bubbles appear.
4. With the valve open, turn screw press fully out and close valve. The test pump is now ready
for use.
W
Warning
Turning the capstan out with the reservoir valve closed generates approximately
15 inHg / 0.5 bar vacuum. If the DUT is vacuum sensitive, leave valve (13) open
during priming operation.
Pressure Operation
Follow these steps:
1. Turn the screw press in to generate pressure.
2. Allow a few moments for the system to stabilize before taking any readings, especially after
large changes in system pressure.
Note
Large, sudden changes in pressure will cause the system temperature to rise or fall,
which can cause instrument readings to change as the fluid in the system expands or
contracts, thus increasing or decreasing the pressure.
3. Use the fine adjustment control on the side of the manifold to make precise adjustments to
the pressure.
4. Compare the reading of the gauge under test with that of the master gauge.
5. For the next higher calibration point, repeat from Priming, step 1.
6. To measure reducing pressures, turn the screw press out (counter-clockwise).
7. Depressurize the system by turning the screw press FULLY OUT, then open the reservoir
valve.
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