PerkinElmer aanalyst 200 User Manual page 250

Maintenance
Never touch or clean the grating surfaces. Fingerprints or scratches
will adversely affect the dispersion characteristics of the grating and
CAUTION
impair the operation of the instrument.
Cleaning the Instrument
Exterior surfaces may be cleaned with a soft cloth, dampened with a mild detergent and water solution.
Do not use abrasive cleaners or solvents. Use the same technique to clean the sample compartment
windows, too.
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