Blog
  • DIN Rail electricity meters
    Jun 02 , 2021
    What is DIN Rail?DIN rail is based on a series of standards developed by the German national standards organization (DIN). It is usually 1.4 inches (35 mm) wide. The rail can be as narrow as 0.6 inches (15 mm) or as wide as 3 inches (75 mm).DIN rail electricity meters are usually 35mm DIN rail mounted. At present, the traditional wall-mounted installation method is widely used for electricity mete...
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  • The development history of electricity meters
    May 14 , 2021
    With the ever-increasing demand for electricity in industry, agriculture, commerce, and residential life, people's electricity transactions are becoming more frequent. As instrument for measuring the amount of electricity transactions, electricity meter has also entered thousands of households. Up to now, the electricity meter has undergone 4 upgrades.The first generation is induction type met...
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  • Different installation environment of meters with different accuracy class
    May 06 , 2021
    The common electricity meters currently have four accuracy classes: 0.2S, 0.5S, 1.0, and 2.0. So, how to choose the right accuracy class of electricity meter according to the installation environment?Generally speaking, when the electricity meter is installed, the accuracy class is selected according to the transformer’s capacity. For example, according to the State Grid’s requirements, for users ...
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  • Smart Electricity Meter Accuracy Class
    Apr 24 , 2021
    Accuracy class of electricity meter refers to the class of measuring instrument that meets certain measurement standard requirements and keeps measurement error within the specified limit. It’s also an important indicator of electricity meter’s performance.At present, there are four accuracy classes of commonly used electricity meters: 2.0, 1.0, 0.5S and 0.2S, which are usually expressed by A, B, ...
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  • STS Prepayment Smart Electricity Meter
    Apr 10 , 2021
    STS is the Standard Transfer Specification, an international standard recognized and issued by the International Standards Institute. It was first developed in South Africa. In 1997, STS Association was established in South Africa, and in 2005, it was standardized as IEC62055 by the International Standards Institute. It’s mainly to provide reference for the realization of electricity meter encrypt...
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  • Traditional & Smart Electricity Meters
    Mar 28 , 2021
    Electricity meter is a device used to measure electricity consumption. It has been used and is still used with modern technologies today. In some places, smart meters have replaced traditional electricity meters, so what's the difference?Traditional meter only records the electricity consumption. In addition to the basic functions of electricity consumption measurement, smart meter also has ma...
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  • What is Meter Data Analytics?
    Mar 12 , 2021
    What is meter data analytics? It refers to using statistical analysis method to process, model and calculate a large number of original metering data collected by smart meters, and then extract useful information and form conclusions. By mining the inherent correlation and deep value of meter data, it can provide decision support for the commercial operation, power grid planning and operation main...
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  • The Key Equipment of Smart Grid System——DCU
    Feb 27 , 2021
    Data concentrator unit (DCU) is the key equipment of Smart Grid system, utilizing GPRS, CDMA or Ethernet to communicate with the MDMS and electricity meters. It’s a microcomputer intelligent acquisition terminal including the functions of acquisition, statistic and wireless communication.DCU can collect the data of meters and sensors located throughout the grid, then process and transmit the data ...
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  • Wired Smart Grid Communications: Power Line Communication
    Jan 28 , 2021
    Power Line Communication (PLC) is a technology which allows data to be transmitted by existing power lines. With this technology, we can use the power line which transmits the current as the communication carrier, load and transmit the high-frequency signal which includes the information by the power line, and finally use the special demodulator to separate the signal and send it to the terminal e...
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