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DDSY39(LED) Single-phase Prepayment Static Energy Meter
DDSY39(LED) Single-phase Prepayment Static Energy Meter
DDSY39(LED) Single-phase Prepayment Static Energy Meter
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 Product Information
DDSY39(LED)single-phase prepayment static energy meter is which adopts based on special large-scale intergrated circuit and SMT technology,adopting industrial elements and components with long lifetime introduced form abroad.It preserves data under power-off situation.This product conforms to IEC62055-21-2005&GB/T18460.3-2001:class1 and class2 static AC active watt-hour meter.It mainly applies to the occasions like-as advancing power purchasing to carry out power prepayment and max.load control.This product has characteristics like-of long duration.high accuracy,good over-load capacity and small volume.
 Product Features
  Accuracy class:class1.0, 2.0
  Conformed standards:IEC62053&IEC62055;GB/T 17215-2002;GB/T18460.3-2001
  Normal working voltage:0.9Un~1.1Un
  Limit working voltage:0.8Un~1.15Un
  Insulation voltage:°›2000VAC
  Power consumption:°‹2W&10VA
  Power of voltage circuit:°‹1.5W(8VA)
  Power of current circuit:°‹3VA
  Start-up:as reference voltage,reference frequency and power factor are 1,load current is 0.4%Ib and 0.5%Ib,the meter should be metering in continuity
  Shunt running:when voltage circuit is enforced with 115% of reference voltage,without current ,the meter light loss indication,meter output no impulse.
  Normal working temperature:-30°ś~+55°ś
  Limit working temperature:-40°ś~+70°ś
  Stockpile and transportation temperature:-45°ś~+70°ś
  Relative humidity:annual average°‹80%
  Rated frequency(Hz):50/60
  Nominal current(A):1.5(6),2.5(10),5(20),10(40),15(60)
  Meter constant(imp/kwh):As nameplate
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