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CCE intercomparison of AC-DC transfer standards
1993
IEEE Transactions on Instrumentation and Measurement
A worldwide intercomparison is described covering both ac voltage and ac current measurements in the frequency range from 40 Hz to 1 MHz. Results are consistent within 10-20 ppm at low voltage and frequency, but differ by up to 100 ppm at high voltage and frequency. For currents of tens of milliamperes the results are consistent within 40 ppm.
doi:10.1109/19.278530
fatcat:bai3oe6qx5bfdgqdxw4biqyxf4