... 3% F.S.Min unit: uA,mV. ZW series DC Power Meter/Coloumeter--2011 ZW8 Flat typeZW8 flip type Features: 1) ... for KWH / KvarH.8) Power supply: 18--30V AC/DC or 80--265V AC/DC. We can manufacture thousands of ... ,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 ...