Keysight U1273A Manual De Instrucciones página 92

2 Making Measurements
– To measure current, you must open the circuit under test, 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
Figure 2-31
– To avoid blowing the multimeter's 440 mA fuse, use the µA mA terminal
CAUTION
– Placing the probes across (in parallel with) a powered circuit when a lead
92
multimeter in series with the circuit.
black test lead into the COM terminal. Insert the red test lead in an input
appropriate for the measurement range.
– If you are using the A terminal, set the rotary switch to
– If you are using the µA mA terminal, set the rotary switch to
below 5000 μA (5 mA), or
to cycle between DC current measurement, AC current
measurement, AC+DC current measurement, or % scale current
measurements.
the multimeter.
DC current display
only if you are sure the current is less than 400 mA. See
test lead connections and function selection. Refer to the
section for information on the alerts the multimeter uses when leads are
not used correctly for current measurements.
is plugged into a current terminal can damage the circuit you are testing
and blow the multimeter's fuse. This happens because the resistance
through the multimeter's current terminals are very low, resulting in a
short circuit.
for currents above 5000 μA.
Keysight U1273A/U1273AX User's Guide
.
for currents
Figure 2-34 for
Input warning