Instruction manual
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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. 










