User Manual

True-rms Digital Multimeter
How to Make Measurements
27
AC or DC Current Measurements
XWWarning
To prevent electric shock or personal injury,
do not try an in-circuit current measurement
where the open-circuit potential to earth is
larger than 1000 V. You can cause Product
damage or personal injury if the fuse blows.
WCaution
To prevent damage to the Product or to the
equipment under test:
• Examine the fuses of the Product before
you measure current.
• Use the correct terminals, function, and
range for all measurements.
• Do not put the probes across (in parallel
with) a circuit or component when the
leads are connected to the current
terminals.
To measure current, you must open the current path of
the circuit under test and put the Product in series with
the circuit.
The current ranges of the Product 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 continue as
follows:
1. Remove power from the circuit. Discharge all high-
voltage capacitors.
2. Put the black lead into the COM terminal. For
currents between 0 mA and 400 mA, put the red lead
into the mA/μA terminal. For currents more than
400 mA, put the red lead into the A terminal.
Note
To prevent damage to the 400-mA fuse of the Product,
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.