id LAB FOTOMETER 2008 COOL User Manual page 8

Light attenuation meter
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• WARNING: never touch the bulb directly by hand. Use silicone gloves to avoid direct
contact. When the bulb is spoiled by hand touch, its lifetime might by significantly
reduced.
• Install new bulb in the same position as the original and tighten screws.
• Make sure that the bulb filament faces the hole in the printed circuit board on which
the bulb is fixed.
• Insert light source assembly back to cooling jacket. Make sure it is properly positioned
at the conical support flange at the front of cooling jacket. The conical flange is visible
through the front window.
• Slide the teflon back cover on the cable to its place and press it firmly until the cover
is aligned with the outer chassis.
• Slide the metal sheet cover back to the teflon cover.
• Fasten cover and metal sheet back by six screws using alen key number 3.

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