Collector
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STS three phase four wire electronic pre-paid electricity meter
Main function:metering function, parameter monitoring, data storage, display function, communication function, anti-electric theft function, pre-payment function
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Three-phase four-wire electronic prepaid energy meter
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Single-phase electronic prepaid energy meter
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STS single-phase electronic prepaid energy meter
Main function:The electricity meter mainly consists of current, voltage sampling, electric power measurement unit, microprocessor, magnetic retention relay and LCD liquid crystal display.Microprocessor measures active power, And to exchange data with TOKEN through the keyboard, to achieve various control functions.
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IC single-phase electronic prepaid energy meter
Main function:metering function, parameter monitoring, data storage, display function, load curve, communication function, anti-theft function, prepayment function
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Three-phase four-wire electronic prepaid energy meter
Main function:metering function, parameter monitoring, time-sharing metering, data storage, load curve, communication function, anti-electric theft function
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STS three phase four wire electronic pre-paid electricity meter
Main function:metering function, parameter monitoring, data storage, display function, communication function, anti-electric theft function, pre-payment function
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电能表是计量用电多少的设备。但是不同单位用电的环境时不一样的。为此，电能表的种类也变得多种多样。下面小编来介绍一下电能表的分类有哪些?
电能表的分类：
1.从规格上可分为：三相三线制、三相四线制、单相制。
2.从接线方式上可分为：经互感器接入式和直接接入式;
3.从测量精度上分可为：0.2S级0.5S级0.5级1.0级2.0级。动力计量部的《外供能源管理规定》要求外供用户的电度表精度不低于1.0级。
1)电能的单位是“千瓦时”(kWh)，俗称“度”。(举例说明：例如一个电饭煲，它的说明书上标注1000W220V，那么这个电饭煲的额定电压为：220V,额定功率为：1000w。在用电器的额定电压220V，通电1小时，就消耗1度电，假如1度电是1块钱，那么用电器工作一小时的电费就是1块钱。)交流电，是指大小和方向随时间作周期性变化的一种电流。它的最基本的形式是正弦电流，电流呈现波浪形变化，我国交流电供电的标准频率规定为50赫兹。供电电源为降低线路损耗采用高压输电，因此社区进线电压一般为10KV或6KV,由高压电网供给，通过高、低压配电屏和降压变压器等变、配电设备，将高压电源(一般为10kV或6KV)变为低压电源(三相380V)，为照明等设备供电。
2)通常低压输电方式是三相四线制，采用三根相线加零线供电，零线由变压器中性点引出并接地，电压为380/220V，取任意一根相线加零线构成220V供电线路供一般家庭用。线路中相线之间的电压，称为线电压，三根相线间电压为380V，一般供电机使用。相线与零线之间的电压称为相电压(220V)，供居民家庭使用。
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