传感器就参数来说只有两种,冷冻一种参数,冷藏一种参数;就形状来说也只有两种,圆形一种,方型一种。
冷藏蒸发器上的传感器、冷藏空间的传感器、0度室的传感器和环境传感器的参数一样,都是冷藏传感器的参数;-7度室、冷冻室和化霜传感器的参数一样都是冷冻传感器的参数。 按4.4试验,传感器的电阻值应 符合下表: 型号 | 特征温度 | 标称阻值(kΩ) | 阻值下限(kΩ) | 阻值上限(kΩ) | HAFR02 HAFR02A | 0℃ | 6.3500 | 6.2230 | 6.4770 | HAFD02 HAFD02A | -20℃ | 18.9000 | 18.5220 | 19.2780 |
3.5.2 材料常数B
按4.5试验,传感器的B值应符合下表。 传感器型号 | B 值(K) | 允许误差 | HAFR02HAFR02A | B0/25=3830 | ±2% | HAFD02 HAFD02A | B-20/25=3770 |
附录1:传感器参数表
HAFR02(圆形)/HAFR02A(方形)(冷藏) 温度值 | 阻值min(kΩ) | 阻值nom(kΩ) | 阻值max(kΩ) | -30.0 | 31.36 | 33.07 | 34.86 | -29.0 | 29.58 | 31.16 | 32.81 | -28.0 | 27.91 | 29.37 | 30.89 | -27.0 | 26.35 | 26.69 | 29.09 | -26.0 | 24.88 | 26.12 | 27.40 | -25.0 | 23.50 | 24.64 | 25.82 | -24.0 | 22.20 | 23.25 | 24.34 | -23.0 | 20.99 | 21.95 | 22.95 | -22.0 | 19.84 | 20.73 | 21.65 | -21.0 | 18.76 | 19.58 | 20.43 | -20.0 | 17.75 | 18.50 | 19.28 | -19.0 | 16.79 | 17.49 | 18.20 | -18.0 | 15.90 | 16.54 | 17.19 | -17.0 | 15.05 | 15.64 | 16.24 | -16.0 | 14.26 | 14.80 | 15.35 | -15.0 | 13.51 | 14.00 | 14.51 | -14.0 | 12.80 | 13.25 | 13.72 | -13.0 | 12.13 | 12.55 | 12.98 | -12.0 | 11.51 | 11.89 | 12.28 | -11.0 | 10.91 | 11.27 | 11.62 | -10.0 | 10.36 | 10.68 | 11.00 | -9.0 | 9.828 | 10.12 | 10.42 | -8.0 | 9.331 | 9.600 | 9.874 | -7.0 | 8.861 | 9.108 | 9.357 | -6.0 | 8.418 | 8.643 | 8.870 | -5.0 | 7.999 | 8.204 | 8.411 | -4.0 | 7.603 | 7.790 | 7.978 | -3.0 | 7.228 | 7.398 | 7.569 | -2.0 | 6.874 | 7.029 | 7.184 | -1.0 | 6.540 | 6.680 | 6.820 | 0.0 | 6.223 | 6.350 | 6.477 | 1.0 | 5.911 | 6.038 | 6.165 | 2.0 | 5.617 | 5.743 | 5.870 | 3.0 | 5.339 | 5.464 | 5.590 | 4.0 | 5.076 | 5.201 | 5.326 | 5.0 | 4.828 | 4.950 | 5.075 | 6.0 | 4.593 | 4.714 | 4.837 | 7.0 | 4.370 | 4.491 |
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