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High Accuracy Electricity Meter

Electric power has become more important energy in people's daily lives, and electricity meters play a crucial role in the process from power generation to consumption. At each stage, different nodes require different precision levels of electricity meters. Each country or region has its own standard for electricity meters, with clear classification and performance requirements. In China, common precision levels of electricity meters include 0.2, 0.5, 1.0, and 2.0 levels; while in the European Union, common precision levels include A, B, C, and D levels. The Chinese and European Union standards for electricity meters have a corresponding relationship; 0.2 levels correspond to D levels, 0.5 levels correspond to C levels, 1.0 levels correspond to B levels, and 2.0 levels correspond to D levels.

 

The error control requirements for different precision levels of electricity meters are as follows: 0.1 levels allow an error of ±0.1% or less; 0.2 levels allow an error of ±0.2% or less; 0.5 levels allow an error of ±0.5% or less; 1.0 levels allow an error of ±1.0% or less; and 2.0 levels allow an error of ±2.0% or less.

 

The precision level requirements for different application nodes vary. For power generation plants and substations, high-precision electricity meters (0.1 and 0.2 levels) are required, often referred to as "gate" meters. For large-scale industrial and commercial users, such as factories and office buildings, medium-precision electricity meters (0.2 and 0.5 levels) are used. For residential users, small-scale enterprises, and small shops, low-precision electricity meters (1.0 and 2.0 levels) are typically used.

 

The different precision levels of electricity meters also differ in their manufacturing processes, materials, and design, which affects their cost and price. Generally speaking, the higher the precision level of an electricity meter, the higher its production cost and price.

 

The classification of electricity meter precision levels is intended to meet the measurement requirements and error limitations of different scenarios and equipment, while also ensuring the accuracy and stability of measurement and achieving economic efficiency and rationality in electricity metering.

Zhejiang Yongtailong Electronic Co., Ltd.
YTL is a professional supplier of energy meter and AMI solution. the Top 100-enterprise with most investment value in Zhejiang. And“Yongtailong”is the famous brand of Zhejiang. With nearly 20 years' experience in energy metering, we devote ourselves to providing competitive projects and creating value for customers.
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