... Hz~70Hz 3.10~40mmmm,ISO,CE,OEM ETCR1000B Phase Detector Our buyers have stayed with us for 12 years13 years ... , the meter automatically cut off power supply. Meter DimensionWidth, height, thickness 70mm×75mm×30mm Clamp Lead Length0.5mMeter Weight180g (with battery ... : 1 Piece; Carrying case; 1 Piece. . Field Application ETCR1000B Phase Detector --- ISO,CE,OEM services available