D86 Three-phase KWH Watt hour Meter 1.Dual jewel or magnetic thrust ... , ISO14001:1996,IEC,GB/T CNC D86 Series Three-phase Watt-hour Meter General:D86 series three-phase watt-hour meter is a induction meter, which ... the magnetic line stably and reliably;3. Meter bearing has three kinds, may select dual jewel, magnetic thrust or magnetic float ...