高壓高阻檢定裝置研究
[Abstract]:High-voltage high-resistance box is a common gauge for measuring insulation resistance meters and high-resistance meters. How to realize the digital intelligent verification is of great significance. In this paper, a high-voltage and high-resistance box verification device is proposed to solve this problem. The principle is to use the standard resistor to calibrate the inner resistance of the device, to measure the height resistance box measured by digital meter, and to calculate the resistance value of the height resistance box measured by the principle of partial voltage. In this paper, a mathematical model of measurement is established, and the sources of uncertainty affecting the uncertainty of measurement results are analyzed. The uncertainty of class A and class B standards is evaluated, and the synthetic standard uncertainty and extended uncertainty of measurement results are given. At the same time, the measurement results of high voltage and high resistance calibration device are verified.
【作者單位】: 山東省計(jì)量科學(xué)研究院;
【分類號】:TM934.1
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