MAINTENANCE
Battery Replacement
Power is supplied by four 1.5V (AAA size) batteries. The " 
" appears on the LCD display when replacement is needed. To replace the batteries, remove the screw from the back of the meter and lift off the battery cover case. Remove the batteries from battery contacts.
Cleaning
Periodically wipe the case with a damp cloth and detergent, do not use abrasives or solvents.
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