16
Calibration
• Environmental conditions — Summarizes temperature and relative humidity,
warm-up period, and line power requirements.
• Calibration considerations — Lists considerations to take into account when
calibrating the unit.
• Calibration cycle — States how often the Model 6487 should be calibrated.
• Recommended calibration equipment — Lists all equipment necessary for cali-
bration and gives pertinent specifications.
• Calibration errors — Discusses error messages that might occur during
calibration.
• Calibration menu — Discusses calibration menu items.
• Aborting calibration — Describes how to halt the calibration procedure at any
time.
• Current calculations — Details how to calculate currents from calibrator voltages
and standard resistor values when calibrating the 2nA to 2μA ranges.
• Calibration procedure — Provides step-by-step procedures for calibrating all cur-
rent ranges, as well as all three ranges of the voltage source. The 2nA to 2μA and
20μA to 20mA ranges require separate procedures because of the different calibra-
tion equipment involved.
• Calibration support — Describes how to change the calibration code, reset the
calibration code, and view calibration dates and count.
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