DC ammeter current shunt, Current transfromer, and Hall Effect current sensor , Split-core current transfromer, digital meter, clamp meter, multimeter, light meter, thermometer, thermo-hygrometer, sound level meter, EMF (electromagnetic field) tester as well as Test and measurement instrument

DER EE Electrical Instrument - is an ISO-9001:2008 certified professional manufacturer, and distributor of meter, meter accessories, electronic test and measurement instruments since its founding in July 1981. DER EE, located in Taipei, Taiwan, is characterized by high quality, high performance, best services and competitive prices. DER EE offers the variety of analog meters designed for the measurement, indication of power and energy consumption and audio application. And the extension of relative products such as DC ammeter current shunt, Current transformer, and Hall Effect current sensor and Split-core current transformer are jointed into the supply gradually.