Power Meter Design service Input:true value three phase measure( ... ,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 ... etc. They are widely used in industrial control and measurement field, such as machinery, electrical cabinet, power sub-station, industrial ...