Keithley 2600B User Manual

Series 2600B
System SourceMeter® Instrument Reference Manual Section 7:
TSP command reference
2600BS-901-01 Rev. C / August 2016 7-205
Usage
calState = smuX.cal.state
calState
The present calibration state; when reading this attribute, calState has one of the
following values:
0 or smuX.CALSTATE_LOCKED: Calibration is locked
1 or smuX.CALSTATE_CALIBRATING: The calibration constants or dates have
been changed but not yet saved to nonvolatile memory
2 or smuX.CALSTATE_UNLOCKED: Calibration is unlocked but none of the
calibration constants or dates have changed since the last save/restore
X
Source-measure unit (SMU) channel (for example, smua.cal.state applies to
SMU channel A)
Details
This read-only attribute indicates the calibration state of the instrument: Locked, calibrating, or
unlocked.
Example
calstate = smua.cal.state
print(calstate)
Reads calibration state for SMU Channel A.
Output:
0.000000e+00
The above output indicates that calibration is locked.
Also see
Adjustment (on page B-18)
smuX.cal.lock() (on page 7-201)
smuX.cal.restore() (on page 7-203)
smuX.cal.save() (on page 7-204)
smuX.cal.unlock() (on page 7-205)
smuX.cal.unlock()
This function enables the commands that change calibration settings.
Type TSP-Link accessible
Affected by Where saved Default value
Function
Yes
Usage
smuX.cal.unlock(password)
X
Source-measure unit (SMU) channel (for example, smua.cal.unlock() applies
to SMU channel A)
password
Calibration password
Details
This function enables the calibration functions to change the calibration settings.
The password when the instrument is shipped from the factory is "KI0026XX".
Example
smua.cal.unlock("KI0026XX")
Unlocks calibration for SMU channel A.

Keithley 2600B Specifications

General

Brand	Keithley
Model	2600B
Category	Measuring Instruments
Language	English