Switching Off The Analyzer - Endress+Hauser analytikjena multi N/C UVHS Operating Manual

Operation
5.3

Switching off the analyzer

Switching to standby mode
Switching off the device before
extended standstill periods
60
See also
2 Troubleshooting [} 88]
2 Setting the NPOC purge flow [} 76]
Recommendation: Switch the analyzer to standby mode during measurement pauses of
more than 30 min.
} Click on [Exit] in the software interface.
ü The Program End window opens.
} Flush the analysis device, for measurements without autosampler:
– Activate the Reverse Rinse Analyzer checkbox. Place the sample intake canula
into the waste container before starting the backflush.
} Flush the analysis device, for measurements with AS vario, EPA Sampler autosam-
pler:
– Activate the Reverse Rinse Analyzer checkbox. The content of the sample intake
hose is automatically washed back into the wash cup.
} Flush the analysis device, for measurements with AS 10e, AS 21hp autosampler:
– At the end of the sequence, measure one sample of ultrapure water.
(The autosamplers do not have the wash cup required for the backflush process.)
– Activate the Reverse Rinse Analyzer checkbox.
} Activate the Stand-by Analyzer option and confirm with [OK].
ü The analyzer remains in standby mode.
If backflushing is enabled, the sample intake hose is flushed with ultrapure water. The
rest of the system remains filled. The gas flow is reduced and the UV lamp is switched
off.
Recommendation: Switch off the analyzer before extended standstill periods (weekends,
holidays).
} Click on [Exit] in the software interface.
ü The Program End window opens.
} Flush the analysis device, for measurements without autosampler:
– Activate the Reverse Rinse Analyzer checkbox. Place the sample intake canula
into the waste container before starting the backflush.
} Flush the analysis device, for measurements with AS vario, EPA Sampler autosam-
pler:
– Activate the Reverse Rinse Analyzer checkbox. The content of the sample intake
hose is automatically washed back into the wash cup.
} Flush the analysis device, for measurements with AS 10e, AS 21hp autosampler:
– At the end of the sequence, measure one sample of ultrapure water.
(The autosamplers do not have the wash cup required for the backflush process.)
– Activate the Reverse Rinse Analyzer checkbox.
} Activate the Switch off Analyzer option and confirm with [OK].
ü The analyzer is switched off.
multi N/C UVHS, multi N/C pharma UV