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DDS188-RU101-Single Phase Two Wire Static Meter
Product Overview
DDS188 single phase watt-hour meter is made up of energy measuring element and register display element. This watthour meter is endowed with features of high accuracy, stable and reliable operation and strong surge capability, It conforms to the DDS measuring demands of our customers and it is an advanced, reliable, accurate metering outfit of electrical energy.

Description

Main Features
■Measure Forward Watt-Hour power consumption, when the meter is reverse, the meter adds reverse power consumption into forward power consumption.
■The register has 5 wheels and 1 decimal. The life of register is more than 15 years.
The main Function
■Bidirectional measurement of active energy.
■Register display, showing total active energy.
■Safety Performance: having passed EMC qualification test. Alternating isolation voltage test: test voltage 4kV 1min, conform to IEC62052-11, IEC62053-21.    ??
Technical Parameters
Item Description Value
Accuracy Active/Reactive Class 1.0
Voltage Rated voltage 220V
     
  Range 0.85Un ~1.2Un 
     
  Limit 0.7Un~1.3Un
Cunrrent Range 5(40)A,5(60)A,10(80)A 
     
  Start current 0.4%Ib (1.0)
Frequency / 50Hz
Temperature Operation range -25 to +70
     
  Limit range for storage and transport -40 to +85
Humidity   Up to 95%
Pulse constant / /
Power Consumption Voltage circuit  
     
  Current circuit ≤0.8 W, 10 VA
     
     
     
    ≤4  VA
     
     
Housing Protection degree IP51
     
  Meter cover Opaque PC+fiber glass
     
  Meter base Opaque PC+fiber glass
     
  Terminal cover PC
Diaplay Type REGISTER
     
  Digit 5+1
RTC accuracy / /
Service life / ≥15 years
Weight Net weight 0.5kg
     
  Gross weight 1.0kg
Dimension / 130mm×107mm×49m
Standards IEC62052-11     IEC62053-21    

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