Sec. 10
MAINTENANCE
Maintenance consists of periodic cleaning, battery replacement, fuse
replacement and recalibration.
Sec. 10.1
CLEANING
The exterior of the instrument can be cleaned with a soft clean cloth
to remove any oil, grease or grime from the exterior of the instru-
ment. Never use liquid solvents or detergents. If the instrument
gets wet for any reason, dry the instrument using low pressure
"clean" air at less than 25 PSI. Use care and caution around the
LCD display protector and areas where water or air could enter the
interior of the instrument while drying.
Sec. 10.2
BATTERY REPLACEMENT
Required when " " appears on display or nothing appears. See
BATTERY REPLACEMENT in section 7.
Sec 10.3
FUSE REPLACMENT
Required when current ranges other than 10Aac/dc range do not
function. See FUSE REPLACEMENT in section 8.
Sec. 11
CALIBRATION
Calibration on these meters should be performed every year. This can be done
by sending the instruments prepaid to:
Sperry Instruments, Inc.
Customer Service Center
2150 Joshua’s Path, Suite 302
Hauppauge, New York 11788
Specify in writing that calibration is necessary. The instrument will be returned
to you normally within one week. Estimates will be furnished upon request.
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