简易数字式电阻、电容、电感测量仪.ppt

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1、简易数字式电阻、电容、电感测量仪作者：黄祥、刘静开、雷锦良作品结构电源模块电阻、电容、电感测量模块MSP430F169单片机主控和液晶显示模块基本功能一、能够比较准确的测量电阻、电容、电感的值二、能够显示待测元件的名称及数值三、当没有待测元件的时候，显示未检测到元件实物图欣赏测量数据电阻测试数据待测电阻值（标称）/Ω电桥测量值/Ω本系统测量值/Ω误差44.254.044.90%66.246.200.64%7072.6372.920.30%58K58.0857.98K0.17%120K121.72K121.60K0.09%10M10.30M10.

2、27M0.29%20M20.70M20.80M0.48%30M31.11M29.70M4.50%40M41.65M39.06M6.20%电容测量数据待测电容值（标称）电桥测量值本系统测量值误差100pF102.1pF102.0pF0.09%330pF329.6pF330.0pF0.12%10nF9.64nF9.73nF0.93%470nF472.2nF473.0nF0.16%1000nF975.6nF946.0nF0.49%10uF9.34uF9.72uF1.3%47uF37.51uF37.22uF0.77%100uF93.54uF92.98u

3、F0.59%220uF188.4uF181.32uF3.75%电感测量数据待测电感值（标称）电桥测量值本系统测量值误差9uH9.14uH9.10uH0.43%20uH21.50uH21.60uH0.465%100uH91.36uH90.87uH0.52%300uH312.1uH314.8uH0.86%460uH464.6uH468.8uH0.9%1000uH996.1uH1007.6uH1.15%实物图欣赏MSP430F149单片机按键电容、电感测量电路频率计数器量程切换待测电容或电感128×64液晶电阻测量电路量程切换待测电阻系统原理图谢谢！