出口海外UL认证多功能电能表 高精度计量
安科瑞 马香霞
1 概述
1 Overview
APM521 网络电力仪表（以下简称仪表）按 IEC 国际标准设计，具有全电量测量、电能统计、电能质量分析 事件记录功能及网络通讯等功能，主要用于电网供电质量的综合监控。该系列仪表配有功能丰富的 DI/DO 模块、 AO 模块，可以灵活实现电气回路全电量测量及开关状态监控。 The APM521 network power meter (hereinafter referred to as the meter) is designed according to IEC international standards, featuring full electrical quantity measurement, energy statistics, power quality analysis, event logging functions, and network communication capabilities. It is primarily used for comprehensive monitoring of power supply quality in power grids. This series of meters is equipped with DI/DO modules and AO modules that offer a wealth of functions, allowing for flexible implementation of full electrical quantity measurement and monitoring of switch statuses in electrical circuits.
注：K:开关量，DI:开关量输入，DO:开关量输出，C:RS485 通讯，M:模拟量输出，CE:以太网通 讯，Log:定时记录，R:导轨安装。 Note: K: Digital Input/Output, DI: Digital Input, DO: Digital Output, C: RS485 Communication, M: Analog Output, CE: Ethernet Communication, Log: Timed Recording, R: Rail Mounting.
3 功能列表
3 List of Functions
4 技术参数
4 Technical Parameters
5 外形尺寸
5 Overall Dimensions
5.1 仪表尺寸（单位：mm）
5.1 Instrument Dimensions（Unit:mm）
