Keithley 6221 User Manual

17
Calibration
Section 17 topics
Introduction, page 17-2
Calibration requirements, page 17-3
Environmental conditions, page 17-3
Warm-up period, page 17-3
Line power, page 17-3
Recommended calibration equipment, page 17-4
Calibration equipment connections, page 17-4
Restoring factory defaults, page 17-4
Calibration summary and considerations, page 17-5
Calibration summary, page 17-5
Calibration considerations, page 17-5
Calibration procedures, page 17-5
Front panel calibration, page 17-5
Using the calibration menu, page 17-5
Front panel calibration procedure, page 17-6
Remote calibration, page 17-14
SCPI commands — calibration, page 17-20
Calibration dates, count, and password, page 17-24
Viewing calibration dates and count, page 17-24
Changing the calibration password, page 17-24
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Keithley 6221 Specifications

General

Interface	GPIB, RS-232
Communication Interface	GPIB, RS-232
Current Sourcing Accuracy	±(0.03% of output + 20 pA)
Current Sinking Accuracy	±(0.03% of output + 20 pA)
Output Resolution	100 fA
Output Accuracy	±(0.03% of output + 20 pA)
Power Requirements	100 V to 240 V AC, 50/60 Hz