KWh meter any voltage/current input eg.0-5A/0- ... 0-2.5KHZ(Hz) Min measurable unit: 1mV,1uA. WH series 8 digit 1/3 phase Power/KWh meter--2011 We can manufacture thousands of different models of products, ... ,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid ...