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Materials on a research of short-term instability as incidentally making uncertainty of the State primary standard phase angle between two voltages are provided. The program project of automation of process of measurement by the measuring instrument phase angle is developed. Measurements of parameters of a short-term instability of the phase meter are completed . The equation of measurement and budget uncertainty in the calibration phase of the standard is reduced. It is shown that automation can improve the value of the uncertainty of the state standards, which are published in the form of CM C s on the site of the BIPM, and involve a reference to international comparisons.

Improvement of the metrological characteristics of State primary standard phase angle between two voltages unit by measurements automation