... and reliableMore sensitive ETCR1000C clamp, can even sense the AC voltage signal as low as a few Volts, with ... power of 100mVA. Technical Specifications FunctionsPhase detection (normal phase, reverse phase and phase deficiency), Live wire examination, Simple Power detection, ... ; Carrying case; 1 Piece. . Field Application ETCR1000D Portable 3 Phase Rotation Indicator --- ISO,CE,OEM services available