ETCR4000 Intelligent Double Clamp Digital Phase Voltammetry Table Phase Table  Double Clamp Digital Phase Meter ETCR4000 Double clamp digital phase meter is specially designed for situ test of phase, voltage, current, AC leakage current, phase sequence. it is a product with double channel, multifunction digital mode, hand-hold characteristic. with the newest CT technology and digital integrated technology in design ensure its high accuracy, high stability, high reliability in years use. The meter could be widely applied in those fields as electricity, communications, meteorology, railroad, oilfield, construction, measurement, scientific & research teaching institutes, industrial and mining establishments. 1.Features:  Measuring range: 0~360°; 0~200mA/2A/10A; 0~20V/200V/500V  Clamp mouth: φ7.5mm (φ40mm )  LCD: 3-1/2 LCD display  Resolution:1°; 0.1mA; 0.01V  Double channel, multifunction digital, hand-hold  11 years of specialized meters  OEM services available  ISO,Patent and CE certificate 2.Specifications:       Function    random phase measurement, AC current and leak current measurement, AC Voltage detection, distinguish the inductive circuit and capacitive circuit, sequence of three-phase voltage detection and connection group of transformer detection, etc.        Power supply    DC9V alkaline dry battery LR6×6  continuous duty :300h        LCD    3-1/2 LCD display        Dimension    Width *length* thick92mm×192mm×50mm        LCD dimension    Display domain64mm×54mm font high40mm        Clamp mouth    φ7.5mm φ40mm lectotype        Measuring range    Phase: 0~360°; current: 0~200mA/2A/10A; voltage:0~20V/200V/500V        Resolution    phase1°current0.1mAvoltage0.01V        Measurement accuracy 50Hz,23±1,40-60%RH    Phase: ±3°        Current:±1%±2dgt        Voltage:±1.2%±2dgt        line voltage    Line test under AC500V        Sampling speed    About 3 times /s        Signal frequency    sine wave 45Hz~55Hz β=0.