wattmeter (single phase/ 3P3W) a.class 1.5 b.50V, 100V, 380V, 240V,415V, 400V ... TypeSize(mm)AccuracyVoltageCurrentSD-96,SD-72,SD-8096x96,72x72,80x80class 1.550V, 100V, 380V, 240V,415V, 400V, 380V, ... a core-magnet moving coil movement and a power converter builting in or separating. They all certificated ... cooperate with our company. Look forward to your contact! 90 Square Type Moving Coil Power Meter