Maintenance - Extech Instruments 380363 User Manual

Auto Power Off
Analog Bar Graph

Maintenance

Battery Replacement
Fuse Replacement
Cleaning
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To conserve battery life, the meter will automatically turn off after 15 minutes of non-use. To turn the
meter back on, turn the rotary switch to OFF, then to the desired function.
The analog bar graph displays resistance on a logarithmic scale and voltage on a linear scale. The
value always tracks the main display.
When the low battery symbol appears (BT) on the LCD the six 1.5V 'AA' batteries must be replaced.
1. Turn the meter off and remove the test leads
2. Remove the two (2) Phillips head screws on the rear of the meter
3. Remove the meter's rear cover
4. Replace the batteries observing polarity
5. Affix the rear cover and secure the rear screws
You, as the end user, are legally bound (Battery ordinance) to return all used batteries
and accumulators; disposal in the household garbage is prohibited!
You can hand over your used batteries / accumulators at collection points in your
community or wherever batteries / accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle
If the meter turns ON but does not measure correctly, check the internal fuse.
1. Turn the meter off and remove the test leads
2. Remove the four (4) Phillips head screws on the rear of the meter
3. Remove the meter's rear cover
4. Check and replace the fuse if necessary (0.5A / 600V fast blow)
5. Affix the rear cover and secure the rear screws
Periodically wipe the case with a dry cloth. Do not use solvents or abrasives to clean this instrument.
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