项目定义1-1额定25℃零功率电电阻阻符号R25B25/50特征值104100单位 KΩK允许偏差±3%±3%T1T2R1BLn1-2 B值T2T1R2搅拌水中热敏电阻的温度变1-3热时化至温度差的间常数63.2%所需的时间(25℃-50℃). τ≤15s静止空气中，传感器温度1-4热耗变化1℃,耗散功率的变化δ≥2.2mw/℃散系数。1-5最大Imax安全通过电流≤5mA额定电流1-6耐电传感器放于水中，通交流电压1500v保持1分钟，漏电流无击穿小于2毫安。压1-7绝缘传感器放于水RI≥100MΩ中通直流电压电阻500V-30~1-8使用温度范围Tw℃105项目试验条件性能要求|△R/R|≤±3%|△B/B|≤±1%|△R/R|≤±3%|△B/B|≤±1%|△R/R|≤±3%|△B/B|≤±1%
2-1高温在105℃空气中放置放置1000小时
2-2低温在-30℃空气中放置放置1000小时在60℃，95%2-3高温
RH条件下，放
高湿放置
置1000小时
2-4热冲击试验
在-30℃的空气
|△R/R|
中放置0.5小
≤±3%
时，
2-4热冲
25℃放1分钟，
击试验
再在105℃的空|△B/B|气中放置0.5小≤±1%时，循环1000次
项目试验条件
3-1引线引线上挂3kg
重物并保持10强度
秒钟率频20-3-2振动200Hz，上下振
试验动4小时，水平
振动4小时
从1米高自然落
3-3跌落在30毫米厚的试验木地板上，共
进行3次
性能要求传感器本体与引线无明显的损伤（开裂、脱落），电性能无异常情况
三.使用注意事项
1)热敏电阻器长期连续工作所允许的温度范围为-30℃到+105℃。尽可能避免负温度系数温度传感器周围环境温度急剧变化。
2)通过负温度系数温度传感器的电流会引起元件自身发热而产生测量误差，因此请在选用前考虑到这一因素。
3)不要超出最大工作电流。
温度Temp（℃）-20-19-18-17-16-15-14-13-12-11-10-9-8-7-6-5-4-3-2-1012
阻值resistance（KΩ）Rmax116.539110.231103.74397.67391.9986.66981.68477.01372.63268.523.66861.04857.954.45651.458.635.98443.4941.14438.93536.85734.833.055
R（t）Normal106.732100.55294.769.35384.27879.52175.05970.87366.94363.25259.78456.52453.45850.57547.86245.30842.90340.63838.50436.49234.59632.80731.12
Rmin96.9291.45186.32881.52577.01772.78868.81565.08361.57458.27455.16952.249.49246.944.45542.1539.97737.92735.99234.16532.4430.8129.271
阻值偏差%(resist.tol)MAX(+)9.199.639.479.319.158.998.838.668.58.338.1787.847.677.517.357.187.026.866.76.536.386.22
MIN(-)9.199.058.918.768.628.478.328.178.027.877.727.577.427.277.126.976.826.676.526.386.236.095.94
温度偏差(temp.tol)℃MAX(+)1.591.571.561.541.531.511.491.471.451.441.421.41.381.351.331.311.291.271.251.231.211.181.16
MIN(-)1.591.571.551.541.521.51.481.471.451.431.411.391.371.351.321.31.281.261.241.211.191.171.15
3456710111213141516171819202122232425262728293031323334353637383940414243444547
31.31729.68128.13826.68225.3124.01622.79421.120.55319.52518.55417.63616.76915.94915.17414.44213.74813.09312.47111.88311.32710.810.39.84.41.018.6218.2527.97.5667.2476.9446.6566.3816.1195.875.6315.4045.1884.9824.7854.59.4174.24.082
29.52828.02626.60825.26824.00322.80821.67820.6119.60118.617.74316.88816.07915.31314.58813.90213.25112.63512.0511.49610.97110.473109.5519.1258.7218.3377.9727.6257.2966.9826.6846.4016.1315.8745.635.3975.1754.94.7634.5714.3874.2134.0463.887
27.81526.4425.1423.90922.74521.420.60119.61418.6817.79416.95516.1615.40614.69114.01413.37212.76212.18311.63411.11210.61710.1479.79.2558.8348.4348.0557.6957.3537.0296.7216.4286.155.8865.6345.3955.1674.9514.7454.5494.3624.1834.0143.8513.697
6.065.95.755.65.455.35.1554.8.714.574.434.294.154.023.3.753.623.53.373.253.1233.113.213.313.413.513.613.73.83.3.984.084.174.2.344.434.524..694.774.854.935.02
5.85.665.525.385.245.14.974.834.74.574.444.314.194.063.943.813.693.573.463.343.233.1133.13.193.293.383.473.573.663.743.833.9244.094.174.2.344.424.54.584.6.744.814.
1.141.121.11.071.051.031.010.990.960.940.920.90.880.860.840.810.790.770.750.730.710.690.670.690.720.750.770.80.830.850.880.910.930.960.981.011.031.061.091.121.141.171.191.221.25
1.121.11.081.061.031.010.990.970.940.920.90.880.850.830.810.790.760.740.720.70.680.660.630.660.690.710.740.770.790.820.840.870.90.930.950.981.011.031.061.091.121.141.171.21.23
484950515253545556575859606162636566676869707172737475767778798081828384858687809192
3.9253.7763.6323.4953.3633.2373.1163.0012.2.7842.6822.5852.4912.4012.3152.2332.1542.0772.0041.9341.8671.8021.741.681.6221.5671.5141.4631.4141.3671.3211.2771.2351.1951.1561.1181.0821.0471.0140.9820.9510.9210.20.80.838
3.7353.593.4513.3183.1913.0692.9522.8412.7342.6322.5342.442.352.22.1812.1022.0261.9531.8831.8161.7521.691.6311.5741.5191.4661.4161.3671.3211.2761.2331.1911.1511.1131.0761.0411.0070.9740.9420.9120.8830.8550.8280.8020.777
3.553.4093.2743.1463.0232.9052.7932.6852.5822.4842.392.2992.2132.132.0511.9751.9031.8331.7661.7021.11.5821.5251.4711.4191.3691.3211.2751.231.1881.1471.1081.071.0340.9990.9660.9340.9030.8740.8450.8180.7910.7660.7420.719
5.15.185.255.335.415.495.565.5.715.795.865.936.016.086.156.226.296.366.426.496.566.626.696.756.826.886.9477.067.127.177.237.287.337.397.447.487.537.577.627.667.697.737.767.8
4.975.045.125.195.265.345.415.485.555.625.695.765.835.95.966.036.16.166.236.296.356.416.486.546.66.666.716.776.836.886.946.997.047.097.147.187.237.277.317.357.397.437.467.497.52
1.281.31.331.351.411.431.461.481.511.541.561.591.621.1.671.71.721.751.771.81.831.851.881.911.931.961.982.012.042.062.092.122.142.172.22.222.252.272.32.332.352.382.412.432.46
1.251.281.31.331.361.381.411.441.461.491.521.541.571.61.621.651.681.71.731.761.781.811.841.861.1.921.941.9722.022.052.082.112.132.162.192.212.242.272.292.322.352.372.42.43
939495969799100101102103104105
0.8120.7870.7630.740.7180.6970.6770.6570.6380.620.6020.5850.569
0.7530.730.7080.6860.6660.60.6270.6090.5910.5740.5580.5420.527
0.6960.6750.6540.6340.6150.5970.5790.5620.5460.530.5150.5010.485
7.827.857.877.7.917.937.947.947.957.957.947.947.92
7.547.577.597.617.627.637.7.657.657.657.7.637.92
2.482.512.542.562.592.622.2.672.72.722.752.772.8
2.452.482.512.532.562.592.612.2.672.692.722.752.77
