... unit: 1mV,1uA. WH series 8 digit 1/3 phase Power/KWh meter--2011 We can manufacture thousands of different models ... Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter ... and measurement field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.In addition to supply ...