Section 10: Calibration Series 2600B System SourceMeter® instrument Reference Manual
10-32 2600BS-901-01 Rev. F/August 2021
F. Send the contact check low calibration adjustment command:
smua.contact.calibratelo(r0_lo, Z_actual, r50_lo, 50_ohm_actual)
Where:
2600B 0 Ω low measurement
Actual zero value; the resistance of the short between the SENSE LO and LO
terminals
2600B 50 Ω low measurement
Actual 50 Ω resistor value; the actual value of the resistor between the SENSE
LO and LO terminals
Typical values:
smua.contact.calibratelo(r0_lo, 0, r50_lo, 50.15)
Where r0_lo is the same value as measured in step B, and r50_lo is the same value as
measured in step E.
G. Send the contact check high calibration command:
smua.contact.calibratehi(r0_hi, Z_actual, r50_hi, 50_ohm_actual)
Where:
2600B 0 Ω high measurement
Actual zero value; the resistance of the short between the SENSE HI and HI
terminals
2600B 50 Ω high measurement
Actual 50 Ω resistor value; the value of the resistor between the SENSE HI and
HI terminals
Typical values:
smua.contact.calibratehi(r0_hi, 0, r50_hi, 50.15)
Where r0_hi is the same value as measured in step B, and r50_hi is the same value as
measured in step E.
Step 6. Program calibration dates
Use the following command to set the calibration adjustment date:
smua.cal.adjustdate = os.time{year=2019, month=12, day=1}
Optionally, it is possible to set the calibration date and calibration due date with the
following commands:
smua.cal.date = os.time{year=2019, month=12, day=1}
smua.cal.due = os.time{year=2020, month=12, day=1}
If you do not wish to set a calibration date or calibration due date and want to clear the previous
values, use the following commands:
smua.cal.date = 0
smua.cal.due = 0
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