Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 2:
General operation
2461-901-01 A/November 2015 2-93
Figure 62: Model 2461 4-wire sense front panel connection
Set the instrument to 4-wire sense
To use 4-wire connections, you must set the instrument to 4-wire sense.
When 4-wire sense is selected and the output is turned off, the sense lines are internally
disconnected. The sense lines are automatically reconnected when the output is turned on.
When you change the sense setting, the output is automatically turned off.
Using the front panel:
1. Press the FUNCTION key.
2. Select the source and measure combination.
3. Press the MENU key.
4. Under Measure, select Settings.
5. Select the button next to Sense. The Sense dialog box is displayed.
6. Select 4-Wire Sense.
7. Select HOME to return to the operating display.
Using SCPI commands:
To change to 4-wire sensing for current measurements, send the command:
:SENSe:CURRent:RSENse ON
To change to 4-wire sensing for voltage, replace CURRent with VOLTage. For resistance, replace
CURRent with RESistance.

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV