Crystal Pump Systems - Manual (Page 12)

Operating Instructions  10
GaugeCalHP Comparator Operation Manual
3 Tighten the reference and the device under test. The connection only needs to be finger tight for a seal to 15 000 psi.
4 If necessary, continue to turn the devices clockwise until they are in the desired position.
Note: If necessary, fill the fluid in the reservoir back up to the fill line.
„„„„ „ OPERATION
X Perform a Calibration
1 Vent the system by turning the reservoir knob counter-clockwise until a gap is visible between the reservoir knob and the lid.
2 Turn on the reference indicator, and then select the pressure units required for the gauge to be tested.
For detailed operating instructions, refer to the documentation you received with your reference.
Gap