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多功能数字测试仪的设计与实现
引用本文:张建国.多功能数字测试仪的设计与实现[J].电子器件,2016,39(4).
作者姓名:张建国
作者单位:漳州职业技术学院
基金项目:福建省项目成果转化资金项目
摘    要:为把数字万用表、绝缘电阻表、漏电开关测试仪等三种功能的测量仪器,合并为一种新型手持式测量仪表。采用专用集成电路ES51921和高性能微控制器MSP430F2111及外部扩展电路、液晶显示器(LCD)等组成,将多功能测试仪设计成具有多功能、智能化的特点和显示直观、读数精准、功能完善、耗电省、体积小、易于携带等优点。该多功能测试仪经测试符合相关技术标准。

关 键 词:数字测量  多功能测试仪  数字万用表  绝缘电阻表  漏电开关测试仪

Design and implementation of multi-function digital tester
Abstract:In order to make a new type of portable measuring instrument, three kinds of functions, such as digital, insulation resistance meter, leakage switch tester, are combined into a new type of portable measuring instrument. ES51921 and high performance microcontroller MSP430F2111 and high performance micro controller and external expansion circuit, LCD display (LCD) and other components, the multi-function test instrument designed to have more features, intelligent features and display intuitive, accurate reading, features, power consumption, small volume, easy to carry and so on. The multi function testing instrument is in accordance with the relevant technical standards.
Keywords:Digital measurement  Multifunction Tester  digital multimeter  Insulation resistance meter  GFCI tester
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