DC Current Measurement
WARNING, Do not attempt to measure a current in excess of 10 Amps
1. Connect the BLACK test lead to the COM jack and the RED test lead to
the mA jack for a maximum of 2A. For inputs greater than 10A, move
the red test lead to the 10A jack.
2. Set the FUNCTION switch to the A --- range to be used and connect the
test leads in series with the load under measurement. Reverse polarity is
indicated by a “—” sign being displayed in front of the reading.
Note:
1. If the current range is not known beforehand, set the FUNCTION switch
to a high range and work down.
2. When only the figure “1” is displayed over range is being indicated and the
FUNCTION switch must be set to a higher range.
3. The maximum input current is 2A, or 10A depending on the jack used.
Excessive current will blow the fuse which must be replaced. The 10A
range is not protected by a fuse. The fuse rating should be 2A and
no more to prevent damage to the internal circuitry. The maximum
terminal voltage drop is 200mV.
AC Current measurement
WARNING, Do not attempt to measure a current in excess of 10 Amps
1. Connect the BLACK test lead to the COM jack and the RED test lead to
the mA jack for a maximum of 2A. For a maximum of 10A, move the
RED test lead to the 10A jack.
2. Set the FUNCTION switch to the A~ range to be used and connect the
test lead in series with the load to be measured.
Note: See DC Current Note 1 - 3
Resistance Measurement
IMPORTANT. When checking in-circuit resistance, ensure the circuit under test
has all power removed and that all capacitors are fully discharged.
1. Connect the BLACK test lead to the COM jack and the RED test lead to
the V/
Ω
jack. Note
: the polarity of the RED test lead is “+”.
2. Set the FUNCTION switch to the range to be used and connect the test
leads across the resistance to be measured.
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