DDSF2828 Series Single-Phase Electronic Multi-function Watt-Hour Meter
■ Functions and characteristics · Comply with the requirements of GB/T 15284-2002 - "Special Requirements for Multi-rate Watt-hour Meter, and GB/T 17125-1998 - Class 1 and 2 Static AC Watt-hour Meter; · Have the function of measuring single-phase electric energy on time-sharing basis. The meter of counter type provides 2 rates and 8 time-intervals for user’s selection; and the meter of LED or LCD type provides 4 rates and 12 time intervals for user’s selection; · Support user the user to set any day for automatic unloading data and save of the electric consumption data of 12 months; · Adopt industrial-grade elements, and long-life type electronic watt-hour counter. · Adopt micro power consumption devices and sleep/wake-up working mode, realizing extremely low power consumption; · Ensure the accuracy within 5%~500% of the elementary current. · Designed by take full consideration of the requirements of electromagnetic compatibility (EMC), and with EMC in conformity with the stipulations of national standards; · Adopt the backward power detection, large tail hood and other anti-power-theft measures. · Have standard RS485 and far infrared communication interface, complying with the "Communication Protocol for DL/T645-1997 Multi-function Watt-hour Meter ".
DDSF2828 Series Single-Phase Electronic Multi-function Watt-Hour Meter
