MAINTENANCE
BATTERY INSTALLATION
To avoid the false readings, replace the battery as soon as the low battery
power indicator appears.
1) Turn the power off and disconnect the test leads from the meter.
2) Open the rear battery cover with a screwdriver.
3) Remove the old battery and insert the new battery into the battery
holder, observing the correct polarity.
4) Put the battery cover back in place, secure with the screws.
REPLACING FUSES
1) Turn power off and disconnect the test leads from the meter.
2) Remove the cover.
3) Gently remove the old fuse and install the new fuse into the holder.
4) Always use a fuse of the proper size and value (0.5A/1000V fast blow
for the 400mA range, 10A/1000V fast blow for the 10A range).
5) Replace and secure the cover.
14
RANGE RESOLUTION ACCURACY
4V ≥1.5Vrms 5Hz~10kHz
40V, 400V ≥10V rms 5Hz~20kHz
≥20V rms 5Hz~200kHz
1000V/1000V ≥420V rms 50Hz~1kHz
400mA ≥45mA rms 5Hz~5kHz
10A ≥4A rms 4Hz~1kHz
HZ% DUTY BUTTON RANGES
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