10–5
Transpector CPM Operating Manual
10.4.1 Valves and Orifices pane
Orifices in the HexBlock inlet system are replaceable. Transpector CPM is set up
in the factory with the correct valve and orifice values. However, if a valve or orifice
is changed, the new configuration must be entered in the RGA Configuration.
10.4.1.1 Inlet LP
Defines the size of the orifice in the V1 Low Pressure (LP) valve. (See Figure 10-6.)
Enter the pressure for the orifice currently installed in V1. Note that the scale is
in millitorr.
If no orifice is installed in V1, clear the check box.
Figure 10-6 Inlet LP
10.4.1.2 Inlet HP
Defines the size of the orifice in the V2 High Pressure (HP) valve.
Enter the pressure for the orifice currently installed in V2. Note that the scale is
in millitorr.
If using a sniffer, enter the appropriate sniffer pressure range.
If using an atmospheric CPM, enter 760000 millitorr.
If no orifice is installed in V2, clear the check box.
Figure 10-7 Inlet HP
10.4.1.2.1 Inlet HC
If the V3 High Conductance (HC) valve is installed, select the box check.
Figure 10-8 Inlet HC
10.4.1.2.2 Inlet Bypass
If the V4 Bypass valve is installed, select the check box.
Figure 10-9 Inlet Bypass