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10. Replace the detector front cover.
11. Turn on the detector power.
The lamp age counter (VISLampOnTime) is automatically reset to the value
stored on the lamp's chip card.
12. Start the Chromeleon server.
13. Start the pump flow and turn on the lamp.
NOTE After replacing the lamp, increased noise and strong
5.5
Cleaning the Flow Cell
Occasionally, eluted compounds may be deposited on the cell walls, thus
increasing the detector noise level.
To clean the flow cell, pump methanol through the cell and observe the baseline.
If this procedure does not clean the cell, follow the steps below.
To avoid damage to the skin and eyes, wear appropriate protective
clothing and goggles when using nitric acid.
Afin d'éviter des brûlures cutanées ou oculaires, portez des
vêtements de protection appropriés et des lunettes de protection
lorsque vous utilisez de l'acide nitrique.
Um Verletzungen an Augen und Haut zu vermeiden, sollten Sie beim
Umgang mit Salpetersäure stets geeignete Schutzkleidung und eine
Schutz-brille tragen.
1. Flush the flow cell with 0.1M nitric acid.
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baseline fluctuations may occur. Before beginning an
analysis, allow the new lamp to run until the noise is
reduced and the baseline is stable.
You can use the Smart Startup feature in Chromeleon 7
or Chromeleon 6.8 to monitor the detector signal and
notify you when the detector is ready for operation. For
details, refer to the Chromeleon Help.
5 • Service
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