... Hz) Min measurable unit: 1mV,1uA. WH series 8 digit 1/3 phase Power/KWh meter--2011 We can manufacture ... of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer ... integrated control system etc. They are widely used in industrial control and measurement field, such as machinery, electrical cabinet, power ...