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Fnirsi DMT-99 - High Current Measurement; NCV Detection

Fnirsi DMT-99
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Current Measurement-high current
①Switch to the high current range, and the
maximum measured current is 9.999A,
connect the red test pen to the input
terminal , while the black test pen to
the input terminal .
if the measured current is greater than 10A, it will burn out the fuse.
Please preliminarily evaluate the current before measuring.
Notice
NVC measurement
①Switch to NCV gear.
②At this point, slowly approach the NCV
area on the top of the multimeter to the test
point. If the built-in sensor senses an AC
electromagnetic field, the buzzer will emit a
"DiDi" sound. The stronger the electromag-
netic field, the faster the "drip" sound, and
the screen display will change synchronous-
ly, as shown in the following figure:
16
No magnetic
field detected
Low
magnetic field
Medium
magnetic field
High
magnetic field

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