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Title: Calibration Interval Establishment And Adjustment:
Author: John Ferling, Howard Castrup, John Larsen, Frank Butz, Tony Adams
Source: 1992 Measurement Science Conference
Year Published: 1992
Abstract: An Automated Resistance Maintenance Program is described. The system will maintain working values of resistance in the range 0.001 ohm to 10 kilohms based on primary standards of resistance at 1 ohm and at 10 kilohms. Three or more resistors are connected in series to a voltage/current source and the voltage drop across individual resistors is monitored with a scanner and high-resolution digital voltmeter. Rapidly acquired difference measurements taken between resistor pairs are statistically analyzed using the least squares method.

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