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Digital Multimeter
How to Make Measurements
21
AC or DC Current Measurements
XWWarning
To prevent possible electrical shock, fire, or
personal injury, remove circuit power before
you connect the Product in the circuit when
you measure current. Connect the Product in
series with the circuit.
WCaution
To prevent damage to the Meter or to the
equipment under test:
• Check the Meter's fuses before
measuring current.
• Use the proper terminals, function, and
range for all measurements.
• Never place the probes across (in
parallel with) any circuit or component
when the leads are plugged into the
current terminals.
To measure current, you must break the circuit under
test, then place the Meter in series with the circuit.
The Meter's current ranges are 600.0 μA, 6000 μA,
60.00 mA, 400.0 mA, 6.000 A, and 10.00 A.
To measure current, refer to Figure 8 and proceed as
follows:
1. Turn off power to the circuit. Discharge all high-
voltage capacitors.
2. Insert the black lead into the COM terminal. For
currents between 0 mA and 400 mA, insert the red
lead into the mA/μA terminal. For currents above
400 mA, insert the red lead into the A terminal.
Note
To avoid blowing the Meter's 400-mA fuse, use
the mA/
μ
A terminal only if you are sure the
current is less than 400 mA continuously or less
than 600 mA for 18 hours or less.
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