Calibration/Comparison Against An Analog Gauge - GE Druck PV 210 Handbuch

2.2 Pressure Release Valve (Figure #1)
Use this (1) to reduce or release the pressure in the system. The amount of turn sets the rate to
release the pressure. Only minimum force is necessary to seal the system.
2.3 Fine Adjust Vernier (Figure #1)
To make accurate adjustments to the pressure, turn the fine adjust vernier (2) clockwise to
increase the pressure or counterclockwise to decrease the pressure.
2.4 Pressure/Vacuum Selector (Figure #1)
Before you change the mode, make sure that the pressure release valve (1) is open. To change
the mode, use an applicable tool to push the selector (3) to the side specified on the label.
2.5 Adjustable Pressure Relief Valve (Figure #2)
Use this (8) to prevent damage to sensitive instruments. To adjust the maximum output
pressure, turn the screw in the bottom of the pump handle.
3. Operation

3.1 Calibration/Comparison against an Analog Gauge

1. Connect a reference instrument with a hose (5)/adaptor (6) to a connector (4).
2. Use the same procedure to connect the instrument under test to the other
connector (4).
Note: The maximum torque for the adaptors is 15 Nm (11 ft lb).
3. Set the fine adjust vernier (2) to the midpoint of its travel:
Turn it fully clockwise, then four to six turns counterclockwise.
4. Close the pressure release valve (1):
4 | PV 210 Instruction Manual-English
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INFORMATION
To prevent damage, when the top of the pump body
comes into view, DO NOT use force to turn the fine adjust vernier (2) farther
out.
WARNING
DO NOT ignore the maximum operating pressure specified on
the pump label.
Before you connect a pressure component to the PV 210, make sure that it is
isolated from the pressure supply and release the internal pressure slowly.
DO NOT connect the pump to an external pressure source.
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