PerkinElmer PINAACLE 900 Series, Руководство по оборудованию и обслуживанию для клиентов

Страница: 258 / 390

242
Maintenance
Clearing an Obstruction in the High Sensitivity Plastic Nebulizer
Clean the nebulizer capillary whenever you notice degradation in absorbance
values due to blockage of the capillary. There are two ways to clean the capillary
holder:
• The first (simplified) way should be used if the nebulizer is not difficult to
clear. This method involves simply passing one of the cleaning wires,
supplied, through the capillary holder.
• The second (complete) procedure requires shutting down the spectrometer,
removing the nebulizer from the end cap, and replacing the capillary
tubing. This procedure must be performed if you have no success with the
first method.
Simplified Cleaning Procedure For Nebulizer
For a simplified (light) cleaning of a standard the nebulizer sample capillary holder
see the following procedure:
1. Unscrew the sample capillary from the nebulizer.
2. Take one of the cleaning wires (Part No. 03030135) supplied, and push it
through the capillary holder from its wider (open) end.
3. Repeat step 2 several times. Then replace the capillary (sample) tubing.
4. Run one or more standards to determine if the capillary holder has been
cleared. If it has been cleared, proceed with normal spectrometer operation;
otherwise, proceed with the next procedure.
Caution
In the simplified method of cleaning the nebulizer the impact bead is not
removed. Use the cleaning wire carefully so as not to damage the impact
bead.
Note
It may take several attempts to pass the wire through the nebulizer.