GDM-8261 User Manual
32
2W/4W Resistance Measurement
Measurement
type
2-wire
Uses the standard V-COM ports.
Recommended for measuring resistances
larger than 1kΩ.
4-wire
Compensates the test lead effect using the
4W compensation ports, in addition to the
standard V-COM ports.
Recommended for measuring sensitive
resistances smaller than 1kΩ.
1. Activate
resistance
measurement
For 2-wire resistance measurement,
press the 2W/4W key once.
For 4-wire resistance measurement,
press the 2W/4W key twice.
2. 2W/4W
resistance mode
display appears
Indicates 2W or 4W Resistance mode
AUTO Indicates Automatic range selection
1K 2nd display shows the Resistance range
3. Connect the
test lead and
measure
Connect the test lead. For 2-wire resistance, use the (V)
and the COM port. For 4-wire resistance, use the (V)
and the COM port, plus the 4W sense, and LO port for
sensing. The display updates the reading.
2W connection
INPU
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