GE Monitor UV-900, Руководство пользователя

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Maintenance
4
Monitor UV-900 User Manual 18-1120-05 Edition AF
27
4.4 Cleaning the flow cell and optical fiber connectors
A clean flow cell and optical connectors are essential for ensuring the correct
operation of the UV-monitor.
4.4.1 Cleaning the flow cell
1 Connect a syringe to the inlet of the flow cell and squirt distilled water
through the cell in small amounts. Then fill the syringe with a 10% surface
active detergent solution like
Decon 90
,
Deconex 11
,
RBS 25
or equivalent,
and squirt five times.
2 After five squirts, leave the detergent solution in the flow cell for at least
20 minutes.
3 Pump the remaining detergent solution through the flow cell.
4 Rinse the syringe and flush the cell with distilled water (10 ml).
4.4.2 Cleaning the optical fiber connectors
Wipe with 30% isopropanol on lens paper.
4.4.3 Instrument housing
4.5 Cleaning the system
• Wipe the surface regularly with a damp cloth. Do not allow spilt liquid to
dry on the instrument.
• Remove dirt from the surface using a cloth and a mild cleaning agent.
• Let the system dry completely before using it.
Wipe the instrument housing regularly with a damp cloth. Let the instrument
dry completely before use.
CAUTION!
Do not allow solutions containing dissolved salts, proteins or
other solid solutes to dry out in the cell. Do not allow particles to enter the
flow cell as damage to the flow cell may occur.
WARNING!
When using hazardous chemicals, make sure that the entire
system has been flushed thoroughly with bacteriostatic solution, e.g. NaOH,
and distilled water before service and maintenance.