AC voltage calibrations for the 0.1 Hz to 10 Hz frequency range
Abstract
The development of voltmeters to meet the need for rms voltage measurements in the infrasonic frequency range and the need to trace these measurements to the U.S. legal unit of voltage are discussed. A new method for supporting voltage measurements in the 0.1Hz -10 Hz range is described. The principles of the method are embodied in detailed procedures given for calibrating sine wave voltage standards and rms voltmeters over the 0.1 Hz to 10 Hz frequency range, using the NBS AC voltmeter/calibrator. The sine wave calibrator of this instrument, used for these calibrations, has an accuracy of 0.020 are over the 0.5 mV - 7 V range.
- Publication:
-
Final Report National Bureau of Standards
- Pub Date:
- September 1983
- Bibcode:
- 1983nbs..reptT....S
- Keywords:
-
- Alternating Current;
- Calibrating;
- Electrical Measurement;
- Infrasonic Frequencies;
- Voltmeters;
- Acoustics;
- Low Frequencies;
- Measuring Instruments;
- Radio Frequencies;
- Standardization;
- Instrumentation and Photography