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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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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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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, fo...
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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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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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When the electricity meter is running, if an abnormal situation occurs, the electricity meter will alarm, and the LCD will display the corresponding error code or alarm prompt with continuous lit.In general, the alarm will prompt the following information:1. Electricity bill arrearsIf the smart meter is in arrears, the alarm light will always be on, and the user only needs to make up the arrears.2...
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