标准号:IS 722 Pt.7-1969
发布日期:1969/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard ( Part VII) applies to polyphase whole-current and transformer operated volt-ampere-hour meters for full power factor range, with or without maximum demand indicator and other tariff devices or accessories.1.2 This standard does not apply to volt-ampere-hour meters for restricted power factor range covered by IS : 722 ( Part V )-1965〓.