Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual page 130

UltiMate 3000 Series:
VWD-3100 and VWD-3400RS Variable Wavelength Detectors
4. Loosen the two screws in the lamp flange and pull out the lamp.
5. Inspect the new lamp for fingerprints and dust. If necessary, clean the lamp with
isopropanol.
6. Align the flange of the new lamp with the locating pin, and then gently push the lamp
into the lamp housing. Be careful not to tilt the lamp and be sure that the lamp flange
is in a level position with the lamp housing. When the lamp is properly seated, tighten
the screws in the flange.
7. Reconnect the lamp connector (→ Fig. 28).
8. Reinstall the lamp house cover (→ Fig. 27).
9. In Chromeleon, perform the Calibration Test (→ page 90) and verify the wavelength
(→ page 117).
10. Allow the new deuterium lamp to run for at least 24 hours before the first analysis.
During this period, strong baseline fluctuations and increased noise may occur.
The lamp age counter is automatically reset to the value stored on the ID chip card of the
lamp. The typical lifetime of a deuterium lamp is approximately 2000 hours.
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Fig. 29: Deuterium lamp screws
Locating pin
Fig. 30: Deuterium lamp locating pin
Loosen these locks.
Operating Instructions