Current Sensor, Voltage Sensor, Current Transducer manufacturer / supplier in China, offering Electronic Transformer CM5A 2000 H22 with Closed Loop for Power Supplies for Welding Applications, Current Sensor CM5A H30 Using Hall Effect with Good Linearity for Alternator or Inverter, Hall Current Sensor Closed Loop Using the Hall Effect CM5A H30 for AC Variable Speed and so on.