Tektronix KEITHLEY SourceMeter 2606B Reference Manual page 570

Model 2606B System SourceMeter® Instrument Reference Manual
smuX.cal.date
This attribute stores the calibration date of the active calibration set.
Type TSP-Link accessible
Attribute (RW) Yes
Usage
calDate = smuX.cal.date
smuX.cal.date = calDate
calDate
X
Details
This attribute stores the calibration date that is associated with the active calibration set. The
calibration date can be read at any time but can only be assigned a new value when calibration has
been enabled with the smuX.cal.unlock() function. It is typically set to the date when the
instrument was calibrated.
This attribute is stored with the active calibration set. If a different calibration set is restored, this
attribute reflects the date stored with that set.
smuX.cal.date must be set to the date the calibration was done using the UTC time and date. The
date is stored as the number of seconds since UTC 12:00 am Jan 1, 1970.
Due to the internal storage format, smuX.cal.date is accurate to within a few minutes of the value
set.
Example
smua.cal.date = os.time()
Also see
Adjustment (on page 17-12)
os.time() (on page 15-168)
smuX.cal.adjustdate
smuX.cal.due
smuX.cal.lock()
smuX.cal.restore()
smuX.cal.save()
smuX.cal.state
smuX.cal.unlock()
2606B-901-01 Rev. C November 2021
Affected by
SMU calibration restore
The calibration date of the active calibration set
Source-measure unit (SMU) channel (for example, smua.cal.date applies to SMU
channel A)
(on page 15-196)
(on page 15-198)
(on page 15-199)
(on page 15-201)
(on page 15-202)
(on page 15-203)
(on page 15-204)
Where saved
SMU nonvolatile memory
Sets calibration date for SMU channel A to the present time set
on the instrument.
Section 15: TSP command reference
Default value
Initially set to factory
calibration date
15-197