GE Druck DPI611

Page 15 of 79 [EN] English – K0571 Issue 1
User Manual Druck DPI611
1.9.2 Pneumatic Pressure Release Valve
This is a needle point valve that lets you
release the pressure or vacuum, or seal
the system.
OPEN CLOSE
1.10 SELECTOR
Before you turn the pressure/vacuum selector to + or -, release all the
pressure. Sudden high pressure in the pump mechanism can cause
damage.
This control sets the operation of the
instrument (pressure or vacuum). To
prevent a pressure leak, turn it fully
clockwise or counterclockwise.
+: Pressure, - : Vacuum
Figure 1-4
Pressure Release
Valve
Figure 1-5
Selector