Keithley 2600B User Manual

Series 2600B
System SourceMeter® Instrument Reference Manual Section 7:
TSP command reference
2600BS-901-01 Rev. C / August 2016 7-199
Also see
Adjustment (on page B-18)
os.time() (on page 7-164)
smuX.cal.date (on page 7-199)
smuX.cal.due (on page 7-200)
smuX.cal.lock() (on page 7-201)
smuX.cal.restore() (on page 7-203)
smuX.cal.save() (on page 7-204)
smuX.cal.state (on page 7-204)
smuX.cal.unlock() (on page 7-205)
smuX.cal.date
This attribute stores the calibration date of the active calibration set.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW)
Yes
SMU cal. restore
SMU nonvolatile
memory
Initially set to factory calibration date
Usage
calDate = smuX.cal.date
smuX.cal.date = calDate
calDate
The calibration date of the active calibration set
X
Source-measure unit (SMU) channel (for example,
smua.cal.date
applies to
SMU channel A)
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 will reflect 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()
Sets calibration date for SMU channel A to the current time
set on the instrument.

Keithley 2600B Specifications

General

Brand	Keithley
Model	2600B
Category	Measuring Instruments
Language	English