User Manual Owner's manual

GDM-8200A Series User Manual
30
2W/4W Resistance Measurement
Measurement
type
2-wire
Uses the standard V-COM ports.
Recommended for measuring resistances
larger than 1k.
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 1k.
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 resistance
mode display
appears
2W(4W) +
Indicates 2W(4W) Resistance mode
AUTO
Indicates Automatic range selection
10M
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
COM
4W connection
COM
4W
SENSE
LO