... Hz~70Hz 3.1.6~16mm,ISO,CE,OEM ETCR1000C Phase Rotation Indicator Our buyers have stayed with us for 12years 12 ... clamped: ø1.6-ø16mm, LED Dynamic display, Clear power supply Three-phase Sequence.Instrument base plate is provided with a magnet, the operation ... 6000VAccessoriesMeter: 1 Piece; Carrying case; 1 Piece. . Field Application ETCR1000C Phase Rotation Indicator --- ISO,CE,OEM services available