INFICON Composer Elite Gas Concentration Monitor - Manual (Page 124)

7 - 2
PN
07
4-
56
6-
P1
B
Composer Elite Operating Manual
1 Remove the plugs from the two VCR-2 service ports (see Figure 7-1 ).
When removing the plugs, simultaneously use two wrenches to avoid stress
and damage to the service ports.
Figure 7-1 Acoustic sensor - inlet/outlet tubes and service ports
2 Remove the cap from the VCR-4 fitting on the Acoustic Sensor's inlet tube or
outlet tube (refer to
Figure 7-1 ). When removing the cap, simultaneously use
two wrenches to avoid stress and damage to the welds and tubing.
NOTE: Do not remove the sealed cap from the other (inlet or outlet) tube.
or
2a Disconnect the Acoustic Sensor's inlet tube and outlet tube VCR-4 fittings (refer
to
Figure 7-1 ) from the process tubing, When removing the tubes,
simultaneously use two wrenches to avoid stress and damage
to the welds and tubing.
3 Connect a helium leak detector to an open inlet or outlet tube. If not already
sealed, use a VCR-4 gasket and cap to seal the inlet tube or outlet tube not
connected to the leak detector. When connecting the helium leak detector,
simultaneously use two wrenches to avoid stress and damage to the welds and
tubing. (Swagelok recommends tightening gaskets to 1/8 turn past finger-tight
for stainless steel gaskets.)
4 Evacuate the Acoustic Sensor following the leak detector manufacturer’s
recommendations.
Outlet Tube
Inlet Tube
Service Ports