WST238-7 VAP type multi-function Protective Device is designed to measure three phase four wire AC active energy / reactive and used in overvoltage protection, under voltage protection and over-current protection.
D69-2049 type digital display multi-function meter is to display the measured AC voltage, AC current, active power and electric quantity at the same time on one instrument. The display part of the instrument adopts a color high-definition LCD display.
D69-2058 multi-function Digital meter can measure AC voltage, AC current, active power, power factor, power frequency and electric energy. HD LCD has adopt for display module