Amprobe AM-220 Digital-Multimeters - Manual (Page 14)

10
BATTERY REPLACEMENT
1) When the battery voltage drops below proper operating range, the “
” symbol
will appear on the LCD and the batteries needs to be changed.
2) Before changing the batteries, set the selector switch to “OFF” position. Remove the
two screws on the bottom case and lift the bottom case.
3) Replace the old batteries with the same type battery.
4) Close the bottom case and fasten the screw.
FUSE REPLACEMENT
1) This meter is provided with a 0.5A/250V fuse to protect the current measuring
circuits that measure up to 400mA, with a 10A/250V fuse to protect the 10A range.
2) Ensure the instrument is not connected to any external circuit, set the selector switch
to “OFF” position and remove the test leads from the terminals.
3) Remove the two screws on the bottom case and lift the bottom case. Replace the old
fuse with the same type and rating: 5x20mm 0.5A/250V or 6x32mm 10A/250V fuse.
4 Close the bottom case and fasten the screws.
MAINTENANCE
1) Before opening the bottom case, disconnect both test leads and never use the meter
before the bottom case is closed.
2) To avoid contamination or static damage, do not touch the circuit board without
proper static protection.
3) If the meter is not going to be used for a long time, take out the batteries and do
not store the meter in high temperature or high humidity environment.
4) Repairs or servicing not covered in this manual should only by qualified personnel.
5) Periodically wipe the case with a damp cloth and detergent. Do not use abrasives or
solvents on the meter.