摘要
以模拟式万用表测量电阻、电压为例,用精度等级及中值电阻理论分析了量程选择与测量误差的关系,指出正确选择量程是减少测量误差的关键.
Analogue multimeter measurement of resistance and voltage are discussed and relationship of measuring range selection and measuring errors are analyzed according to the theory of accuracy grade and median value resistance.
出处
《石家庄职业技术学院学报》
2009年第6期49-51,共3页
Journal of Shijiazhuang College of Applied Technology
关键词
万用表
量程
测量误差
multimeter
measuring range
measuring errors