User Manual Q&AAnswer
Feb 17, 2025 - 10:12 PM
To purge the gas from the 7195 Hydraulic Pressure Calibration Pump, follow these steps:
1. Ensure that the pump, reference standard, and device under test (DUT) are securely connected to the calibration pump.
2. Close the vent valve and xxxx out the main xxxx press. You should see a vacuum being pulled on your reference and DUT (assuming the reference and the DUT are able to be used for vacuum measurement).
3. Open the vent valve and wait for the pressure to settle to zero. Then, xxxx in the main xxxx press. As you do this, you may see bubbles emerge in the medium reservoir, which is a good indication that gas is being pushed out of the system.
4. Close the vent valve and repeat steps 2 and 3 one or two more times.
5. Close the vent valve and unscrew the main xxxx press halfway out. Then, open the vent valve to zero the measurement.
6. Now, you are ready to close the vent valve and generate pressure.
By following these steps, you will effectively purge the gas from the system, allowing for stable and accurate pressure measurements.
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