• prepayment power meter

prepayment power meter

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.

Product Details

Quick Details


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    

Company Profile

We specialize in the production of primary power equipment, including metal oxide surge arrester(MOA), polymer housed metal oxide arrester for transmissionlines, metal oxide varistor,on-line monitors for surge arrester and surge arrester monitor and so on.
After 30years technical innovation and industrial transformation, we have yearly production capacity for 4.5 million pieces ofΦ32-128metal oxide varistor (MOV), 0.5 million sets of 0.22-1000KV metal oxide surge arrester.
Our main products have passed ISO9001 quality management system certificate, ISO14001 environment management system certificate, OHS18001 occupational health and safty management system certificate and KEMA Netherland certificate.
Our arrester market share reaches above 32% in China market, especially 500KV surge arrester bid winning rate in the scale bidding of state grid corporation of China in the lastest three years, was the top one during the same industry in China.


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