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Ver. 1.2 02/27/09
8. Maintenance
WARNING
Remove test leads before changing battery or fuse or performing any
servicing.
Battery Replacement:
Power is supplied by a 9 voltage “transistor” battery. (NEDA 1604 IEC 6F22). The “
”
appears on the LCD display when replacement is needed. To replace the battery, remove the
two screws from the back of the meter and lift off the battery case. Remove the battery from
battery contacts.
Note:
It is need to replace the battery less than 1 min. to avoid the time of system was reset.
Fuse Replacement:
If no current measurements are possible, check for a blown overload protection fuse. There are
two fuses; F1 for the “mA” jack and F2 for the “10A” jack. For access to fuses, remove the
four screws from the back of the meter and lift off the battery cover and case. Replace F1 only
with the original type 0.5A/250V, fast acting ceramic fuse. Replace F2 only with the original
type 10A/600V, fast acting ceramic fuse.
Cleaning:
Periodically wipe the case with a damp cloth, detergent and do not use abrasives or solvents.
Operation Manual
MODEL 48R
