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Main functional index:The functional index of DDS200D serial single-phase static watt-hour meter are in accord with the national standards of GB/T 17215-2002 Static alternating current active watt-hour meter of class one and class two, and the communication complies with the requirements of DL/T645 - 1997 Multi-functional watt-hour meter regulations.Functions:1) Energy measurement: to measure and display accumulative electric consumption2) Memory function: when power supply is cut off the information in the meter willnot be lost3) Display functions:a) Six digital LED displays accumulative electric consumption (kWh)b) Six digital register displays accumulative electric consumptionc) Pulse indicator light winks when power has been usingd) Reverse pulse indicator light lightens when reverse usee) Communication indicator light winks when communicatingf) The LED display mode can be set as constant display or in-turn display throughHHU ( display 20 seconds stop 5 minutes)4) Communication functions: with RS485 and infrared communication port, which canrealize data exchange with meter reading unit or auto meter reading system5) Pulse output function6) With infrared meter reading unit to control load interrupt and load restore (cut off,recover current) of meter7) DDS200D serial single-phase static watt-hour meter can be used with DataCollection Unit produced by Seasun to realize meter reading in small fieldSpecifications and parameters:1) Model: DDS200DA (LED display)a) Class: 1.0, 2.0b) Rated voltage: 220Vc) Rated current: 5(20)A, 10(40)A, 15(60)A, 20(80)A2) Model: DDS200DB (register display)a) Class: 1.0, 2.0b) Rated voltage: 220Vc) Rated current: 5(20)A, 10(40)A, 15(60)A, 20(80)A3) Model: DDS200DC (LED and register)a) Class: 1.0, 2.0b) Rated voltage: 220Vc) Rated current: 5(20)A, 10(40)A, 15(60)A, 20(80)A4) Operation voltage: 70% Un - 120% Un5) Referenced frequency: 50Hz6) Power consumption:7) Operation ambient temperature: -250 ~ +550oC8) Limited temperature: -400 ~ +550oC9) Temperature range for storage: -250 ~ +700oC10) Relative humidity: ≤85% (temperature is 250oC)11) Outline dimensions: 174 x 126 x 90mm
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