Keithley 4200A-SCS Reference Manual page 758

Model 4200A-SCS Parameter Analyzer Reference Manual
RG
This command sets the lowest current range to be used when measuring.
Usage
RG A,B
A
B
Details
The default autoranged ranges are 100 nA without a preamplifier and 1 nA with a preamplifier.
Example
RG 2, 10E-12
This command string sets the lowest range of SMU2 with a preamplifier to 10 pA.
Also see
None
AC
This command autocalibrates a SMU channel.
Usage
AC A
A
Details
When this command is sent, the selected SMU channel is calibrated automatically. The busy bit in the
status register is set so that you can detect when autocalibration is finished. The 4200A-SCS will not
respond to any commands while autocalibration is executing.
Example
AC 1
This command string performs auto calibration on SMU channel number 1.
Also see
None
4200A-901-01 Rev. C / February 2017
SMU number (1 to 9)
The lowest autoranged range:
4200-SMU without a preamplifier: −100e-9 to 100e-3 A
•
4200-SMU with a preamplifier: −1e-12 to 100e-3 A
•
4210-SMU without a preamplifier: −100e-9 to 1 A
•
4210-SMU with a preamplifier: −1e-12 to 1 A
•
SMU number (1 to 9)
Section 9: Keithley External Control Interface (KXCI)
9-47