电表的改装与校准

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1、将微安表改装成两个量程的电流表和电压表实验数据记录表一测量电表内阻数据记录：待测电阻倍率测量次数12345平均测量值795079607980797079607964796.4数据次数表二测量Ig数据记录名称12345平均值100101103102100101500500500500500500200202206204200202表三电流表改装与校正仪器参数（U0=1.08V）满度电流（）扩程电流（）电流计内阻（）R1+R2理论值R1+R2实际值20010796.416.316.3200100796.416.316.3表四电压表改装与校正仪器参数（U0=1.08V）满度电流（）扩程电

2、压电流计内阻（）RS1理论值Rs2实际值2001796.44154.14225.820010796.448708.649216.8表五电流表校正数据记录(mA)：被校表读数1.002.003.004.005.006.007.008.009.0010.00标准表读数1.002.023.014.025.025.997.068.029.0210.02标准表读数1.002.012.983.984.995.976.967.988.9910.01标准表读数1.002.023.004.005.015.987.018.009.0110.020.000.010.000.000.00-0.020.01

3、0.000.000.02表六电流表校正数据记录(mA)：被校表读数10.0020.0030.0040.0050.0060.0070.0080.0090.00100.00标准表读数10.0020.0130.0240.0350.0260.0170.0080.0290.0199.99标准表读数10.0019.9829.9939.9949.9859.9769.9979.9890.0099.98标准表读数10.0020.0030.0140.0150.0059.9970.0080.0090.0199.990.000.000.000.010.00-0.010.000.000.00-0.023表七

4、电压表校正数据记录（V）：被校表读数0.10000.20000.30000.40000.50000.60000.70000.80000.90001.0000标准表读数0.10070.20060.30120.40080.50040.60070.70060.80090.90071.0013标准表读数0.09940.19960.29860.39960.49930.59910.70010.79960.89930.9998标准表读数0.10010.20010.29990.40020.49990.59990.70040.80030.90001.00060.00000.0001-0.00010.

5、0002-0.0001-0.00010.00040.00020.00000.0006表八电压表校正数据记录（V）：被校表读数1.0002.0003.0004.0005.0006.0007.0008.0009.00010.000标准表读数1.0002.0063.0614.0175.0136.0147.0228.0269.02510.024标准表读数1.0001.9682.9763.9924.9885.9856.9687.9868.9929.997标准表读数1.0001.9873.0194.0055.0016.0006.9958.0069.00910.0110.000-0.0130.0

6、190.0050.0010.000-0.0050.0060.0090.01133