Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 2:
General operation
2461-901-01 A/November 2015 2-81
To verify which command set is selected from a remote interface:
Send the command:
*LANG?
To change to the SCPI command set from a remote interface:
Send the command:
*LANG SCPI
Reboot the instrument.
To change to the TSP command set from a remote interface:
Send the command:
*LANG TSP
Reboot the instrument.
System information
You can get the serial number, firmware build, detected line frequency, calibration verify date,
calibration adjust date, and calibration adjust count information from the instrument.
To view the version and serial number information from the front panel:
1. Press the MENU key.
2. Under System, select Info/Manage.
The firmware version and serial number are displayed at the top of the screen.
To view the autocalibration information from the front panel:
1. Press the MENU key.
2. Under System, select Calibration.
The date of the last autocalibration, how many times autocalibration has been done, and the warmup
and temperature difference status are shown. You can also run autocalibration from this screen. For
more information, see System Calibration menu (on page 2-45) and Autocalibration (on page 3-51).
To view the line frequency information from the front panel:
1. Press the MENU key.
2. Under System, select Settings.
3. Scroll down to display the line frequency at the bottom of the page.

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