Perkin-Elmer Lambda 20, Installation And Maintenance Manual

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Lambda 20, Lambda 40 UV/Vis Spectrometers
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Figure 14 Prealigned Deuterium Lamp Assembly (B2000501)
NOTE: An operating hours counter is incorporated in the red deuterium lamp lead.
By means of a gap between the two display bars it is possible to read off the number
of hours that the lamp has been in operation.
One scale division corresponds to approximately 100 hours.
WARNING
Electrical Hazard
Switch off the spectrometer and remove the plug from the electrical
supply before starting with the replacement.
Risk of Burns
If the old lamp was lighted: allow it to cool before proceeding with the
replacement.
UV Radiation
The lamps emit intense radiation which can damage your eyes.
Do not open the lamp compartment when the lamps are on.
Do not gaze into a lighted lamp.
1. Switch off the spectrometer and unplug the line power cord.
2. Remove the lamp compartment cover by pressing down the catch and pushing
the cover to the left.
3. Remove the lamp baffle by slackening the thumbscrew for the deuterium lamp
and lifting the lamp baffle vertically upward.
Operating Hours
Counter
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