GE Druck DPI612 - Pneumatic Pressure Operations

User Manual Druck DPI612
Page 42 of 105 [EN] English – 109M4017 Revision -
Step Procedure
4
When the pressure in the pressure station is at the new
PRV pressure, turn the adjustment screw until the PRV
operates:
counter clockwise decreases the operating pressure
clockwise increases the operating pressure
5 Do steps 3 and 4 until the PRV operates at the correct
pressure. Then press the plastic cap back into position.
DPI 612 pFlex & pFlexPro PNEUMATIC PRESSURE OPERATIONS 2.2
2.2.1 Introduction
This section gives examples of how to connect and use
the DPI612 pressure calibrator for the necessary
pressure or vacuum operations.
Before you start:
• Read and understand the “Safety” section.
• Make sure that there is no damage to the
instrument and there are no missing items.
Note: Use only original parts supplied by the
manufacturer.
Figure 2-3
DPI612
Pressure
Calibrator
2.2.2 Release the Pressure
To release all the pressure in this instrument, open the
pressure release valve counter clockwise (1 turn).
To control a change in pressure conditions (for example,
to go to or through another test pressure) use the volume
adjuster (See Section 1.9.6) or open and close the
pressure release valve.
Figure 2-4
Pressure
Release Valve