在测量时导体温度t / ℃校正系数K t测量时导体温度t / ℃校正系数K t测量时导体温度t / ℃校正系数K t5 1.064 16 1.016 27 0.9736 1.059 17 1.012 28 0.9697 1.055 18 1.008 29 0.9658 1.050 19 1.004 30 0.9629 1.046 20 1.000 31 0.95810 1.042 21 0.996 32 0.95411 1.037 22 0.992 33 0.95112 1.033 23 0.988 34 0.94713 1.029 24 0.984 35 0.94314 1.025 25 0.98015 1.020 26 0.977