Thermo Fisher Scientific Alpha pH 550 - Manual (Page 41)

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protection. Include a brief description of any faults suspected for the convenience of
Customer Service Dept., if possible.
9.4 Maintenance and Cleaning
Maintenance
The Alpha pH 550 Monitor contains no user repairable components. Please
contact your authorized distributor if there is any problem with the unit.
Cleaning
To remove dust, dirt and spots, the external surfaces of the pH Monitor may be
wiped with a damp, lint-free cloth. A mild household cleaner can also be used if
necessary.