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Maintenance
Avoid operating the instrument in excessively wet, oily, dusty, or dirty environments. If the outside of the
instrument becomes soiled it may be wiped clean with a damp cloth and mild detergent. DO NOT use harsh
chemicals on the surface that may damage the paint or plastic.
The instrument should be handled with care. Avoid knocking, dropping, or vibrating the instrument.
This instrument is tested and calibrated at the factory. Continued regular testing and calibration is
recommended.
Routinely check the ratio accuracy using the Ratio Self-Calibration function.