Summary:
    The DDSF580 series Static Single-phase Multi-tariff Meter design integrates contemporary high-tech. Components and techniques chosen from internationally famous manufacturers. Features include strong construction, wide load range, high sensitivity, low power loss, wide voltage range, reliable performance, ease to program and read etc. The impulse output and easy to use meter read system make the DDSF580 the perfect domestic unit for recording multi-time power consumption.

Main Technical Specifications and parameter:
◆ Meets standard:IEC1036; GB/T17215; DL/T614-1997
◆ Communication protocol to 《Shanghai Standard》and 《DL/T645-1997》standard
◆ Output 80ms wide electrical pulse
◆ Accuracy: active class 1.0 and 2.0
◆ Frequency:50Hz±5%;60Hz±5%
◆ Clock accuracy within 0.5seconds/day
◆ Rated Voltage:220V, 230V, 240V
◆ Limited Voltage scope: 70%-12Ue
◆ Rated Current: 1.5(15) A, 5(30) A, 10(60) A
◆ Power loss:＜2W
◆ Working ambient temperature: -10～55℃
◆ Service life: ＞10years

Measuring function and feature:
◆ Records peak, trough and total accumulated active electricity for current and previous month
◆ Records total accumulated electricity of every month in the last 12 month
◆ Records Max. Demand of current and last month
◆ Records electricity 'stop' time
◆ Reading method: Hand held meter reading instrument connected with base computer station
◆ Set basic data, number, period, clock, password code, reading date etc.
◆ Automatic transfer in leap year ,time broadcast
◆ Data stored in EEPROM
◆ Infrared port and TS-485 communication
◆ Records forward and reverse accumulated energy.
Anti-tamper protection
◆ Many series and specifications: