Completion Of The Measurement; Longer Stop Of Operation - Swann AMI Hydrogen QED Operator's Manual

AMI Hydrogen QED
Maintenance
6.5.5
6.6.
A-96.250.791 / 040219

Completion of the measurement

1 Stop the sample flow to the AMI Hydrogen QED by closing the
appropriate valve, e.g. back pressure regulator, sample prepa-
ration or flow regulating valve at flow cell again.
2 Close flow regulating valve of the AMI Inspector.
3 Disconnect the AMI Inspector by removing the tubes.
4 Start sample flow again.
5 Adjust the sample flow to 6–20 l/h. The actual flow is shown on
the transmitter display.
6 Shut down the AMI Inspector Hydrogen.
If the AMI Inspector will not be used for a longer period of time, pro-
ceed according to section Longer Stop of Operation in the manual
of the AMI Inspector.

Longer Stop of Operation

1 Stop sample flow.
2 Do not shut off power of the instrument.
NOTICE: The hydrogen sensor is polarized and a loss of
polarization will result in loss of sensitivity. If the AMI Hydrogen
QED is switched off, the polarization buffer will be discharged
within a few days.
3 Leave the sensor in the wet flow cell.
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