FLUKE‚ ‚ Calibration: Philosophy in Practice
Chapter 17: Digital Multimeter Calibration
Table of Contents
General Calibration Requirements ___________________________________________________________________3
Theory of Calibration Adjustment____________________________________________________________________3
Internal References ________________________________________________________________________________ 4
ADC Adjustment Considerations _____________________________________________________________________4
Integrating ADC ________________________________________________________________________________ 5
R2
ADC_________________________________________________________________________________________5
DC Voltage Range Calibration ______________________________________________________________________5
AC-DC Converter Calibration ___________________________________________________________________6
Resistance Converter Calibration_________________________________________________________________7
Current Converters Calibration __________________________________________________________________7
Other DMM Calibrations ________________________________________________________________________7
Simplified DMM Calibrations _______________________________________________________________________8
Closed-Case Calibration _________________________________________________________________________8
Closed-Loop Calibration _________________________________________________________________________8
Artifact Calibration _____________________________________________________________________________9
Laboratory DMM Calibration _______________________________________________________________________9
Key References ___________________________________________________________________________________ 10 |
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