标准号:IS 722 Pt.7/Sec.3-1987
发布日期:1988/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard ( Part 7/Section 3 ) applies to polyphase whole-current and transformer operated arithmetic sum volt-ampere-hour meters for full power factor range, with or without maximum demand indicator and other tariff devices or accessories.