Appendix B
Calibration
In this appendix:
Verification ................................................................................ B-1
Adjustment ............................................................................. B-16
Verification
Use the procedures in this section to verify that the Keithley Instruments Model 2651A High Power
System SourceMeter
®
Instrument accuracy is within the limits stated in the instrument’s one-year
accuracy specifications. Perform the verification procedures:
• When you first receive the instrument to make sure that it was not damaged during shipment.
• To verify that the unit meets factory specifications.
• To determine if calibration is required.
• Following calibration to make sure it was performed properly.
NOTE
If the instrument is still under warranty and its performance is outside specified limits, contact your
Keithley Instruments representative or the factory to determine the correct course of action.
Verification test requirements
Be sure that you perform the verification tests:
• Under the proper environmental conditions.
• After the specified warm-up period.
• Using the correct line voltage.
• Using the proper test equipment.
• Using the specified output signal and reading limits.
NOTE
Product specifications are subject to change. Listed uncertainties and test limits are provided only as
an example. Always verify values against actual product specifications.
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