Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Appendix B:
Common commands
2461-901-01 A/November 2015 B-5
*IDN?
This command retrieves the identification string of the instrument.
Type Affected by Where saved Default value
Query only None Not applicable Not applicable
Usage
*IDN?
Details
The identification string includes the manufacturer, model number, serial number, and firmware
revision of the instrument. The string is formatted as follows:
KEITHLEY INSTRUMENTS,MODEL nnnn,xxxxxxxx,yyyyyy
Where:
• nnnn is the model number
• xxxxxxxx is the serial number
• yyyyyy is the firmware revision level
Example
*IDN?
Output:
KEITHLEY INSTRUMENTS,MODEL 2461,01234567,1.0.0i
Also see
System information (on page 2-81)
*LANG
This command determines which command set is used by the instrument.
Type Affected by Where saved Default value
Command and query
Not applicable
Nonvolatile memory
SCPI
Usage
*LANG <commandSet>
*LANG?
<commandSet>
The command set to be used:
• TSP
•
SCPI
Details
The remote command sets that are available include:
• SCPI: An instrument-specific language built on the SCPI standard.
• TSP: A scripting programming language that contains instrument-specific control commands that
can be executed from a stand-alone instrument. You can use TSP to send individual commands
or use it to combine commands into scripts.

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