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2
Making Measurements
Table 2-13
[a] U1242C only.
– To measure current, you must open the circuit-under-test, and then place the
NOTE
– Turn off power to the circuit. Discharge all high-voltage capacitors. Insert the
– Press
– Reversing the leads will produce a negative reading, but it will not damage
86
Rotary switch positions allowing current measurements
Legend
Defaul t function
DC A
A
DC mA (or μA)
mA
multimeter in series with the circuit.
black test lead into the
appropriate for the measurement range.
– If you are using the
– If you are using the
current < 440 mA, or
View
to cycle through different current measurements as stated in
Shift
Esc
Table 2-13.
the multimeter.
Function when
Cycles between
– AC A (true rms)
– AC A (averaging sense)
– DC A
Cycles between
– % scale of 4-20 mA (or 0-20 mA) with DC mA (or μA)
– AC mA (or μA) (true rms)
– AC mA (or μA) (averaging sense)
– DC mA (or μA)
terminal. Insert the red test lead in an input
COM
terminal, set the rotary switch to
terminal, set the rotary switch to
for current ≥ 440 mA.
A
Keysight U1241C/U1242C User's Guide
View
is pressed
Shift
Esc
[a]
, or
[a]
, or
.
A
mA
for
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