GB/T 17215.324-2017 Electricity metering equipment (a.c.)—Particular requirements—Part 24: Static meters for reactive energy at fundamental frequency (classes 0.5S,1S and 1) (English Version)
2022GB/T 17215.324-2022 Electricity metering equipment(AC)—Particular requirements—Part 24: Static meters for fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)
2017GB/T 17215.324-2017 Electricity metering equipment (a.c.)—Particular requirements—Part 24: Static meters for reactive energy at fundamental frequency (classes 0.5S,1S and 1)