... , Simple power inspection, Phase deficiency judgment, Breakpoints finding and Line maintenance. Voltage Range: AC70~600V; Max cable Dimension to be clamped ... as low as a few Volts, with a wider range of live electricity.Beautiful and scientificThe three clamps of ETCR1000C ... (R6P) ×2 PCS, Continuously working for 200 hoursAC Voltage Range(V)AC0~600V, 40~70Hz (Sine Wave Continuous Input)Clamp ...