Maintenance; Battery Replacement - Extech Instruments 381285 User Manual

MAINTENANCE

WARNING: To avoid electric shock, disconnect the test leads from any source of voltage
before removing the back cover or the battery cover.
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WARNING: To avoid electric shock, do not operate your meter until the battery cover is 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 A FRESH BATTERY OF THE RECOMMENDED SIZE AND TYPE.
Remove the old or weak battery so it does 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 REPLACEMENT

CAUTION : Do not use non-rechargeable batteries (alkaline, carbon-zinc,etc) with meter's
AC Power adapter. The AC Power adaptor maybe used whether or not the
rechargeable Ni-Cd batteries are installed.
1. Disconnect and remove the test leads.
2. Remove the rubber holster (if installed).
3. Lift the Tilt Stand and remove the two screws using Philips screw driver.
4. Lift the two battery covers up to
remove them.
5. Remove the Tilt Stand.
6. Align the three batteries as shown in
the diagram (observe polarity) and
press down until they snap into the
battery holder.
7. Snap the two battery covers back into place and put the Tilt Stand in place.
8. Replace and tighten the two battery door screws.
NOTE: If your meter does not work properly, check the fuses and battery to make sure
that they are still good and that they are properly inserted
WARNING: To avoid electric shock, do not operate your meter until the battery covers are in
place and fastened securely.
NOTE: When the Battery becomes exhausted or drops below operating voltage the low
battery symbol will appear in the top area of LCD display with a sound.
The alkaline battery should be replaced if alkaline batteries are installed.
If rechargeable batteries (NiMH) are installed, the NiMH batteries will be
automatically recharged when the AC Adapter is connected.
NiMH recharging time will be reduced if the battery is charged with the meter off.
If the NiMH Battery is totally discharged (very rare case) the meter may not
operate properly with the AC Adapter. In this case, recharge the NiMH battery
with the AC Adapter for about 5 minutes with the meter's rotary switch in the
"OFF" position.
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23 V2.1 03/06