Home / Standards / GB/T 46899.1-2025 GB/T 46899.1-2025 Upcoming Electrical energy meters—Test equipment, techniques and procedures—Part 1: Stationary meter test units (MTUs) 电能表 试验设备、技术和程序 第1部分:固定式电能表试验装置(MTUs) Standard Type GBT ICS 17.220.20 CCS N 22 Status 即将实施 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A