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4 Connection and commissioning
Alternatively, the PGC 9300 can be prepared for a longer period of storage by
flushing the device with nitrogen (5.0) at 3 bar for at least 15 minutes at all inlets.
Then all inlet valves must be closed and then the two outflow lines must also be
provided with a gas-tight seal with dummy plugs.
56
Caution
The discharge lines must be re-connected after re-commissioning and the
device must be flushed with the carrier gas (helium and/or argon) for at
least 15 minutes before the device is switched on again.
For the PGC 9302 and PGC 9303, the process must be carried out in the same
manner, but with nitrogen (N
For this purpose, please also observe 4.2.1 Carrier gas connection.
Note
Chapter 1.2.10 Storage provides further information about storage of the
PGC 9300.
Re-commissioning must then take place according to the process above.
Caution
The dummy plugs must be removed first. Otherwise an excessively high
pressure is established in the measuring element!
Disregarding this can result in irreparable damage to the measuring ele-
ment!
The versions with a Column C also include a replaceable filter cartridge between
the shut-off valve and housing feedthrough for the carrier gas line.
Manual PGC 9300 EN07 June, 18th 2018
) instead of the carrier gas.
2
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