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MN15A Datasheet, PDF (8/12 Pages) Extech Instruments Corporation. – Mini Digital Multimeter
Maintenance
WARNING: To avoid electric shock, disconnect the test leads from any source of voltage
before removing the back cover or the battery or fuse covers.
WARNING: To avoid electric shock, do not operate your meter until the battery and fuse
covers are in place and fastened securely.
This MultiMeter is designed to provide years of dependable service, if the following care
instructions are performed:
1. KEEP THE METER DRY. If it gets wet, wipe it off.
2. USE AND STORE THE METER IN NORMAL TEMPERATURES. Temperature
extremes can shorten the life of the electronic parts and distort or melt plastic parts.
3. HANDLE THE METER GENTLY AND CAREFULLY. Dropping it can damage the
electronic parts or the case.
4. KEEP THE METER CLEAN. Wipe the case occasionally with a damp cloth. DO NOT
use chemicals, cleaning solvents, or detergents.
5. USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE.
Remove old or weak batteries so they do not leak and damage the unit.
6. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME, the battery
should be removed to prevent damage to the unit.
BATTERY/FUSE INSTALLATION and LOW BATTERY INDICATION
WARNING: To avoid electric shock, disconnect the test leads from any source of voltage
before removing the battery cover. Do not operate meter unless the battery is in place.
LOW BATTERY INDICATION
The icon will appear in the display when the battery voltage becomes low. Replace the
battery when this appears.
BATTERY REPLACEMENT
1. Disconnect the test leads from the meter.
2. Remove the 2 Phillips head screws located on the back of the instrument and remove
the battery cover.
3. Replace the 9V battery.
4. Secure the fuse/battery compartment cover.
5. Dispose of the old battery as required by local regulations.
FUSE REPLACEMENT
1. Disconnect the test leads from the meter.
2. Remove the 2 Phillips head screws located on the back of the instrument and remove
the battery cover.
3. Gently remove the fuse(s) and install the new fuse(s) into the holder(s).
4. Always use fuses of the proper size and value (200mA/660V ceramic fast blow for the
mA / µA ranges, 10A/250V ceramic fast blow for the A range).
5. Secure the fuse/battery compartment cover.
WARNING: To avoid electric shock, do not operate your meter until the fuse cover is in
place and fastened securely.
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MN15A V1.1 02/09