18 tinb29e1-c (2019-10) VGC083A_B.om
Mount the PGE050 with port down, if possible, to help minimize the effect of any
particles or condensation from collecting in the gauge.
Do not mount the PGE050 where it will be subjected to excessive vibration. Vibra-
tions may cause unstable readings, measurement errors and possible mechanical
stress to components in the PGE050.
Flanges/ Fittings - follow the manufacturer's recommendations and note the
following:
- NPT fittings: When connecting the device using a NPT fitting, apply a thread seal-
ant compound or wrap the threaded portion of the tubing with one-and-a-half to two
wraps of pipe thread seal tape such as PTFE (Teflon
®
) tape and hand tighten the
gauge into the gauge port. Do not use a wrench or other tool which may damage
the gauge.
Be sure the vacuum gauges and the rest of your vacuum system are properly
grounded to protect personnel from shock and injury. Be aware that some vacuum
fittings, especially those with O-rings when not used with metal clamps, may not
produce a good electrical connection between the gauge and the chamber it is
connected to. Use a ground lug on the vacuum connection flange of the pressure
measurement device if necessary. The VGC083 control unit should be connected
to earth ground via a good quality equipment earthing conductor. It is encouraged
that you connect a separate 12-AWG earthing conductor between a known facility
earth ground connection and the location marked with the earth ground symbol (via
the green colored screw provided) on the back panel of the VGC083.
4.2 Electrical Installation
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