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MEASUREMENT/SWITCHING OFF
SWITCHING OFF
ETC00781(1) Series 100 e 10/2001
Before switching off the analyzer purge all the gas lines for about 5 minutes with zero gas (N
2
)
or adequate conditioned air. The full procedure for shutting down is as follows:
For analyzers with electrochemical O
2
cell purge all gas lines with
conditioned ambient air before closing the gas line fittings for transport or
depositing the analyzer.
P Supply zero gas to the gas inlet fitting.
P Switch on the optional sample gas pump (see chapter 7.4).
P Adjust the gas flow rate (with optional needle valve) within the specified rate.
P Wait 5 minutes
P Switch Off by disconnecting the voltage supply.
P Shut Off the gas supply.
P Close all gas line fittings immediately.