热电偶电阻分度表修改版

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1、14热电阻分度表CU50铜电阻的详细介绍一、概述：CU50铜电阻作为热电偶，热电阻维修更换使用，亦可作为非标准热电偶的测温元件,测温范围0-150度，本公司提供生产的WZ系列热电阻严格按照JB/T8622-1997技术要求生产，其分度号PT1000、PT500、PT200、PT100、PT10、CU50、CU100均符合国际标准。二、CU50铜电阻工作原理：CU50铜电阻在温度的作用下，电阻丝的电阻随之变化而变化。可用于测量-200℃～﹢800℃范围内的温度。其优点是：偏差极小。由于它的良好电输出性能，热电阻可为显示仪、记录仪、调节仪、扫描仪及电脑提供精

2、确的输入值。二、技术参数：1.CU50铜电阻测温范围、允差：名称型号分度号测温范围等级允许偏差铂电阻WZPPt100Pt10-200~±650℃A±(0.15+0.02t)B±0.30+0.005t铜电阻WZCCu50Cu100-50~+150℃±(0.30+0.006t)14142.CU50铜电阻热响应时间：在温度出现阶跃变化时,热电阻的电阻值变化至相当于该阶跃变化的50%，所需要的时间称为热响应时间，用t0.5表示。3.CU50铜电阻自热影响：铂电阻允许通过电流1mA，最大测量电流为5mA，由此产生的升温不大于0.3℃。4.CU50铜电阻电阻温度系数

3、（α）与标称值的偏差：名称等级αα铂电阻A0．003851±0.000006B±0.000012铜电阻0．004280±0.0000205.CU50铜电阻绝缘电阻：当周围空气温度15-35℃和相对湿度小于80%时热电阻绝缘电阻不小于100MΩ。WZC型铜电阻是用高强度聚酯绝缘铜丝拴绕在棒形塑料或胶木骨架上。为防止铜丝松散以及提高绝缘性和机械强度，整个元件经过酚醛树脂浸渍处理。三、Cu50型热电阻分度表：R（0℃）=50.00Ω工业铜热电阻（Cu50）分度表T/℃0-1-2-3-4-5-6-7-8-9-4041.40041.18440.96940.7534

4、0.53740.32240.10639.89039.67439.458-3043.55543.33943.12442.00942.69342.47842.26242.04741.83141.6161414-2045.70645.49145.27645.06144.84644.63144.41644.20043.98543.770-1047.85447.63947.42547.21046.99546.78046.56646.35146.13645.921-050.00049.78649.57149.35649.14248.92748.71348.49848

5、.28448.069T/℃0123456789050.00050.21450.42950.64350.85851.07251.38651.50551.71551.9291052.14452.35852.57252.78653.00053.21553.42953.64353.85754.0712054.28554.50054.71451.92855.14255.35655.57055.78455.98856.0713056.42656.64056.85457.06857.28257.49657.71057.92458.13758.3514058.56558

6、.77958.99359.20759.42159.63559.84860.06260.27660.4905060.70460.91861.13261.34561.55961.77361.98762.20162.41562.6286062.84263.05663.27063.48463.69863.91164.12564.33964.55364.7677064.98165.19465.40865.62265.83666.05066.24666.47866.69266.9068067.12067.33367.54767.76167.97568.18968.4

7、0368.61768.83169.0459069.25969.47369.68769.90170.11570.32970.54470.72670.97271.18610071.40071.61471.82872.04272.25772.47172.68572.89973.11473.32811073.54273.75173.97174.18574.40074.61474.82875.04375.25875.47212075.68675.90176.11576.33076.54576.75976.97477.18977.40477.61813077.833

8、78.04878.26378.47778.69278.90779.12279.3