... Hz~70Hz 3.10~40mmmm,ISO,CE,OEM ETCR1000B Phase Detector Our buyers have stayed with us for 12 years13 ... available. Product CharacteristicsThe latest patented technology, Non-contact phase sequence detection, Safe and fast, Phase detection (Normal, Reverse), Live wire examination, Simple ... 1 Piece; Carrying case; 1 Piece. . Field Application ETCR1000B Phase Detector --- ISO,CE,OEM services available