... , power factor, frequency,active energy 2. Single phase 1. Features of DW8 single phase coulo meter : - Multi-function coulo-meter. - Measuring object: voltage, current, power ... systems for auto control, e. g.: single/three phase current/voltage/power consumption...etc for displaying and ... RHWeight450g, G.WWelcome to contact us ! IBEST ELECTRICAL CO.LTD IBEST Single Phase 48*96mm DW8 Series Coulo meter