Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 6:
SCPI command reference
2461-901-01 A/November 2015 6-63
Example
RES:RANG:AUTO ON
Set the range to be selected automatically
for resistance measurements.
Also see
[:SENSe[1]]:<function>:RANGe[:UPPer] (on page 6-65)
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit (on page 6-63)
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit
This command selects the lower limit for measurements of the selected function when the range is selected
automatically.
Type Affected by Where saved Default value
Command and query
Recall settings
Instrument reset
Power cycle
Measure configuration list
Save settings
Measure configuration list
Current: 1 µA
Voltage: 200 mV
Resistance: 2 Ω
Usage
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit <n>
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit?
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit? DEFault
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit? MINimum
[:SENSe[1]]:<function>:RANGe:AUTO:LLIMit? MAXimum
<function>
The measure function:
• Current: CURRent[:DC]
• Resistance: RESistance
• Voltage:
VOLTage[:DC]
<n>
The lower limit:
• Current: 1 µA to 5 A
• Voltage: 200 mV to 20 V
•
Resistance: 2
Ω
to 20 M
Ω

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