DTSI311 ТРЁХФАЗНЫЙ четырехпроводный электронный носитель Вт

Measurement of three-phase positive active power and reverse active power, reverse accumulated as positive; LCD display, display number 6 +2; with backlight and power out display function. Carrier communication functions: The meter can upload the data to the remote electricity meter reading system through low-voltage carrier communication interface, and can control energy meter relay through carrier. Control power transmission function Save the consumption data of last 12 months.Everyday 0:00 the meter voluntarily freeze consumption, 24 points electricity freeze functions. Real-time measure voltage, current, active power, apparent power, frequency and other parameters Hardware clock circuit, with temperature compensation to ensure the time error less than 0.5s / d. With alarm functions such as broken phase, reverse phase sequence, power reverse, the battery under-voltage. With infrared communication interface.