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a) Less than 326mA AC Current Measurement
➔ Set the function switch to mA.
➔ ʻACʼ and ʻmAʼ appear on the display and the LED
next to µA/mA jack turns on.
➔ Plug the red test lead in µA/mA jack and black
test lead in the
➔ Remove power from the circuit that
is to be measured. Open up the
circuit and connect the black lead to
the negative side and the red lead
to the positive side of the circuit so
that the test leads are in series with
the load to be measured.
➔ Apply power to the circuit.
➔ Read the displayed current.
➔ If the numeral value in the display is too small, change the function
switch from mA to µA for a more sensitive measurement range.
➔ If ʻOLʼ appears on the display, it indicates over-range. Immediately
remove test leads from the measuring circuit to avoid any damage to
the meter.
b) 326mA or more AC Current Measurement
CAUTION! Do not exceed 15 seconds when measur-
ing the 20A range and wait for 30 minutes between
each measurement.
➔ Set the function switch to 20A.
➔ ʻACʼ and ʻAʼ appear on the
display and the LED above 20A
jack turns on.
➔ Plug the red test lead in 20A
jack and black test lead in the
jack.
➔ Remove power from the circuit
that is to be measured. Open up the
circuit and connect the black lead to
jack.
– 12 –
CIRCUIT-TEST
DMR-4350
POWER
RANGE
/
DCV
HOLD
ACV
Ω
C°
F°
µA
mA
µA
20A
mA
20A
TEMP
20A
V/Ω /
/
µA/mA
COM
CIRCUIT-TEST
DMR-4350
POWER
RANGE
/
DCV
HOLD
ACV
Ω
C°
F°
µA
µA
mA
mA
20A
20A
TEMP
20A
V/Ω /
/
µA/mA
COM
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