Power Meter Coloumeter/KWh meter(RMS measurement) Any DC volt/ampere signal input 0.3% F.S.Min unit: uA,mV. ZW series DC Power Meter/Coloumeter ... Adjustor,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 State ...