three-phase multi-rate electronic energy meter

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three-phase multi-rate electronic energy meter
Posting date : Oct 31, 2008
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85-
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DTSD876 meter is three-phase multi-rate electronic energy meter, for measurement and registration of active energy, reactive energy and active demand. The meter is mainly intended for large and medium size commercial and industrial customers. Specifications 1.Accuracy class: Active 0.5 1.0 Reactive 2.0 2.Reference voltage: 3×220/380V(four-wire) 3.Reference/Rated current: 3×5(10)A, 3×15(30)A, 3×30(60)A, 3×30(90)A, 3×5A 4.Rated frequency: 50Hz 5.Starting current: Active 0.001In (class 0.5) 0.002In(class 1.0), Reactive 0.003In (class 2.0) 6.Potential: With anti-potential logic design 7.Profile size: 278mm´174mm´77mm 8.Weight: Approx. 2.4kg 9.Electric parameters: Normal working voltage: 0.9Un~1.1Un Limit working voltage: 0.75Un~1.15Un Voltage circuit power consumption: ≤2W or 5VA Current circuit power consumption: ≤1VA Voltage of battery for data storing: 3.6VDC 10.Tariff working parameters: Clock accuracy: ≤0.5s ( every 24 hours) Battery capacity: ≥1000mAh Battery life: ≥10 years (using new battery) Tariff: 4 Time Zone: 4 Time Segment: 10 11.Climatic conditions: Normal working temperature: -20℃~+50℃ Limit working temperature: -30℃~+60℃ Storage and transport temperature: -40℃~+70℃ Storage and transport humidity: ≤85% 12.Technical parameters: Display Type: LCD Communication baud rate: 300bps~9600bps RS232/485 interface: start with 9600bps Optical interface: start with 300bps Communication Protocol: IEC1107 Communication interface: RS232/485, Optical

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