八位半数字多用表的研制  

Development of Eight and a Half Digit Digital Multimeter

作　　者：刘远东[1] 李志强[2] 鲁志军[3] 关子钧 李壮[4] 

机构地区：[1]深圳信息职业技术学院 [2]佛山市质量计量监督检测中心电学与医疗部 [3]黑龙江省计量检定测试院 [4]东北林业大学

出　　处：《电子技术（上海）》2015年第3期84-88,78,共6页Electronic Technology

摘　　要：文章论述了国内外八位半数字多用表的生产状况。详细论述八位半数字多用表技术指标、设计原理和线路。系统地分析论证测量直流电压、直流电流、电阻、交流电压、交流电流和交流频率的原理的测量误差,并且给出具体器件的选择,也阐述了研制八位半数字多用表的技术特点以及与国外的差距。This paper describes the production status of eight and a half digit digital multimeter abroad and at home. And the specifications, design principles and circuits of the eight and a half digit digital multimeter are described in detail. Furthermore, the measurement error of the principles for measuring DC voltage, DC current, resistance, AC voltage, AC current, and AC frequency are analyzed and demonstrated, and the choice of specific components is given. Finally, the technological characteristics the developed eight and a half digit digital multimeter and the gap compared with foreign products are explained.

关 键 词：数字万用表 单片机 八位半 

分 类 号：TM932[电气工程—电力电子与电力传动]