Fluke 83V FE 83V & 87V Users Manual - Page 32

Measuring AC or DC Current

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80 Series V Users Manual Measuring AC or DC Current XWWarning To avoid possible electric shock or personal injury, never attempt an in-circuit current measurement where the open-circuit potential to earth is greater than 1000 V. You may damage the Meter or be injured if the fuse blows during such a measurement. WCaution To avoid possible 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, 6000 mA, and 10 A. AC current is displayed as an rms value. To measure current, refer to Figure 8 and proceed as follows: 1. Turn off power to the circuit. Discharge all highvoltage capacitors. 2. Insert the black lead into the COM terminal. For currents between 6 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/µA terminal only if you are sure the current is less than 400 mA continuously or less than 600 mA for 18 hours or less. 24

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80 Series V
Users Manual
24
Measuring AC or DC Current
XW
Warning
To avoid possible electric shock or personal
injury, never attempt an in-circuit current
measurement where the open-circuit
potential to earth is greater than 1000 V. You
may damage the Meter or be injured if the
fuse blows during such a measurement.
W
Caution
To avoid possible 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
µ
A, 6000
µ
A,
60.00 mA, 400.0 mA, 6000 mA, and 10 A. AC current is
displayed as an rms value.
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 6 mA and 400 mA, insert the red
lead into the
mA/
µ
A
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.