Metrohm NIRS DS2500 Analyzer - Manual (Page 27)

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5 Operation
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5 Operation
The NIRS DS2500 Analyzer requires appropriate care. Excess contamina-
tion of the instrument may result in functional disruptions and may reduce
the service life of the essentially robust mechanics and electronics.
Clean the sampling window and the accessory parts only with lens cleaner
cloths. Do not use aggressive solvents.