| 用小量程电压表作精密测量实验研究 |
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| 引用本文： | 魏兴才.用小量程电压表作精密测量实验研究[J].陕西师范大学学报,1989(4). |
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| 作者姓名： | 魏兴才 |
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| 作者单位： | 陕西师大物理系 |
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| 摘 要： | 1 原理为了准确地测量直流稳压电源输出电压的微小变化△V_o,通常采用多位直流数字电压表测量.但直流数字电压表价值昂贵,在设备条件不许可的情况下,也可采用简便的补偿法来测量.补偿法的原理是用小量程的直流电压表借助参考电源来测量较高电压的微小变化
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A Study on the Accurate Measurement with a Lower Range Voltmeter |
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| Wei xingcai.A Study on the Accurate Measurement with a Lower Range Voltmeter[J].Journal of Shaanxi Normal University: Nat Sci Ed,1989(4). |
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| Authors: | Wei xingcai |
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| Institution: | Department of physics |
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| Abstract: | The article deals with the accurate measurement of a regulator with a lower range voltmeter in stead of a digital one, on the basis of the compensation method.The experimental results show that the method is simple and reliable, and also reduce a great amount of expense. |
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| Keywords: | compensation method voltmeter accurate measurement |
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