GOST R 8.746-2011 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the ratio error and phase displacement of a.c. power frequency voltage in the range from 0,1/V3 do 750/V3 kB
GOST 1983-2001 Voltage transformers. General specifications
GOST 23625-2001 Measuring laboratory voltage transformers. General specifications
GOST 8.216-1988 State system for ensuring the uniformity of measurements. Voltage transformers. Verification methods
GOST R 8.746-2011 history
2011GOST R 8.746-2011 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the ratio error and phase displacement of a.c. power frequency voltage in the range from 0,1/V3 do 750/V3 kB