PerkinElmer 200 UV/VIS Series, User Manual

Page: 141 / 177

Routine Maintenance Maintenance
7 - 11
Lamp Replacement
An aged lamp is the most common cause of excessive baseline noise or drift, especially at low
UV wavelengths. Lamp life may be read on the CNFG LOG screen. The detector lightsource
is the only Series 200 UV/VIS LC Detector component that may require routine replace-
ment.
You can start the lamp replacement from either the front panel or rear panel of the instru-
ment. The following steps should be followed for lamp removal and installation (both deute-
rium and tungsten light sources).
Note that the replacement part number for a tungsten lamp is 2450-0213.
Removing the Lamp (Starting at the Front Panel)
1. Turn the detector power switch to the OFF position and unplug the AC line cord from the
AC outlet.
2. Allow the detector to cool for 15-30 minutes before proceeding.
3. Loosen the knurled nut on the back panel.
4. Open the access door.
Avertissement
Ultraviolet radiation from this device can
cause eye injury. Wear suitable protective
goggles when changing or adjusting a lamp.
Les rayons ultraviolets émis par cet appareil
peuvent présenter des risques pour les yeux.
Porter des lunettes de protection adéquates
pour remplacer ou régler la lampe.
Avertissement
The instrument contains high voltage that
can cause injury or death. Do not remove the
cover with power applied to the instrument.
Cet appareil contient des pièces haute ten-
sion qui peuvent causer de blessures et
même un décès. Ne pas retirer les panneaux
latéraux ou arrière lorsque l’appareil est sous
tension.
If the detector has been recently operated,
the lamp assembly may be very hot. Check
carefully before touching to avoid personal
injury.