DD862 Single phase meter 1:CE,CCC,ISO9001,14001,IEC 2: ... 4:OEM GeneralThe DD862 type single-phase watt-hour meter is a kind of induction type meter,which is applicable to ... 50Hz and power loss in electrified-wire netting. The meter has novel design, rational structure and features of highoverload ... assure the magnetic line stably and reliably.2.3 Meter bearing has three kinds, may select dual jewel, ...