产品介绍：

YHAU-3B42三相电压表

一、        概述

      该产品是采用单片机设计而成的最新产品，具有以下特点：

1、  正四位显示，0-9999

2、  高位AD转换，精度高。

3、  单片机设计，抗干扰性能强

4、  具有多项菜单编程，可灵活操作

5、  量程准确，性能可靠

6、  功能扩展方便，可扩展报警输出口及可编程单元。

二、        通用技术指标

1、工作电源：AC220V±10%   50/60HZ

2、功耗：<3W

3、精度：RMS测量   0.5%级

4、工作环境：-10℃-50℃

5、储存环境：-20℃-75℃

6、绝缘：大于5MΩ

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