Double clamp digital phase meter 1. Function:measuring voltage,current and phase 2. Range:0~360,0~20A,0~500V ETCR 4000 Double clamp digital phase meter Product Characteristics:Measure AC Current and Voltage, Measure the phase between two voltages, two currents, one voltage and one current. Indirectly measure the circuit power and power factor, Judge phase sequence. Clamp Dimension : φ7.5mm×13mm, ...