1.              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              |                          WZP              |                          Pt100             Pt10              |                          -200~±650℃              |                          A              |                          ±(0.15+0.02t)              |                              |              B              |                          ±0.30+0.005t              |                              |              铜电阻              |                          WZC              |                          Cu50             Cu100              |                          -50~+150℃              |                                         |                          ±(0.30+0.006t)              |               2.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.自热影响 铂电阻允许通过电流1mA,zui大测量电流为5mA,由此产生的升温不大于0.3℃。   4.电阻温度系数(α)与标称值的偏差                         |              名称              |                          等级              |                          α              |                          α              |                              |              铂电阻              |                          A              |                          0.003851              |                          ±0.000006              |                              |              B              |                          ±0.000012              |                              |              铜电阻              |                                         |                          0.004280              |                          ±0.000020              |               5.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。   薄膜铂电阻元件 一、         概述       CRZ系列薄膜铂热电阻元件是把金属铂研制成粉浆,采用先进的激光喷溅薄膜技术及光刻法和干燥蚀刻法把附着在陶瓷基片上形成膜,引线经过激光调阻制成,*自动的生产程序保证了产品*符合IEC标准。 二、         技术特点 1.              薄膜铂热电阻元件用陶瓷和铂制成,因而在高温下能够保持优良的稳定性,适合在-50~400℃的温度下使用。 2.              铂薄膜通过激光喷溅在陶瓷表层,因而它具有良好的防震和防冲击性能。 3.              薄膜表面盖以陶瓷,因而元件能够承受高压,并具有良好的绝缘性。 4.              引线材料为镍镀金和纯钯两种。 5.              规格:                         |              型号              |                          规格             长×宽×高              |                          阻值              |                          测量电流              |                          精度              |                          测量范围              |                          热响应时间              |                              |              CRZ-1632              |                          3.2×1.6×1.0              |                          PT100             PT100              |                          ≤1mA              |                          A              |                          -50~550℃              |                          ≤0.3S              |                              |              CRZ-2005              |                          5.0×2.0×1.1              |                          PT50              |                          ≤2mA              |                          A              |                          -50~400℃              |                              |              CRZ-2005              |                          5.0×2.0×1.0              |                          PT10              |                          ≤0.5mA              |                          B              |                          -50~500℃              |               6.              精度:                         |              等级              |                          α              |                          0℃时的电阻值(Ω)              |                          允许偏差(Ω)              |                              |              A              |                           0.003851              |                          100.00              |                          ±0.150+0.002t              |                              |              B              |                          0.003851              |                          100.00              |                          ±0.30+0.005t              |               耐腐、耐磨热电偶WRET-001, WRET2-001, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRNR-12, WRER-12, WRNR2-12, WRER2-12, WRNR-13, WRER-13, WRNR2-13. WRER2-13. WRNR-14, WRER-14, WRNR2-14, WRER2-14, WRNR-15, WRER-15, WRNR2-15, WRER2-15, WRN-15A, WRER-15A, WRNR2-15A, WRER2-15A, WRNT-31, WRET-31, WRNT2-31, WRET2-31, 套管式热电偶WRNK-841n﹡D, WRNK-842n﹡D, WREK-841n﹡D. WREK-842n﹡D, WRNK-841n﹡I, WRNK-842n﹡I, WREK-841n﹡I. WREK-842n﹡I, WREK-842n﹡I, WRN-240A, WRN2-240A, WRE-240A, WRE2-240A, WRN-640A,WRN2-640A,WRE-640A,WRE2-640A, WRN-440A,WRN2-440A, WRE-440A,WRE2-440A, WRNK-240, WRNK2-240, WREK-240, WREK2-240, WRNK-440, WRNK2-440, WREK-440, WREK2-440, WRN-74O,WRN2-74O, WRN-74O, WRN2-74O, WRNR-15, WRNR2-15, WRNR-15A, WRNR2-15A, WRER-15, WRER2-15, WRER-15A, WRER215A, WRN-624, WRN-625, WRE-624, WRE-625, WRNR-12, WRER-12, WRNR2-12, WRER2-12, WRNR-13, WRNR2-13, WRER-13, WRER2-13,WRNR-14, WRNR2-14, WRER14, WRER2-14, WRN-631, WRN2-631, WRNR-01, WRER-01, WRNR2-01, WRER2-01, WRN-130, WRN2-130, WRN-230, WRN2-230, WRN-330, WRN2-330, WRN2-430, WRN-430, WRE-130, WRE2-130,热电偶 WRE-230, WRE2-230, WRE-330, WRE2-330, WRE-430, WRE2-430, WREK-1313, WREK-1314, WREK-1315, WREK-1316, WREK-1323, WREK-1324, WREK-1325, WREK-1326, WRNK-1313, WRNK-1314, WRNK-1315, WRNK-1316, WRNK-1323, WRNK-1324, WRNK-1325, WRNK-1326, WRN-001, WRE-001. WRN-002, WRE-002, WRN-235T, WRN2-235T, WRE-235T, WRE2-235T, WRN-130-F, WRN-230-F, WRN-330-F, WRN-430-F, WRN2-130-F, WRN2-330-F, WRN2-430-F, WRE-130-F, WRE-230-F, WRE-330-F, WRE-430-F,WRE2-130-F,WRE2-230-F,WRE2-330-F.WRE2-430-F.WRN-130(*),WRN-230(*),WN-330(*),WN-430(*).,WRNN2-130(*),WNN2-230(*),WRNN2-330(*),WNN2-430(*),WREN-130, WREN-230, WREN-330, WREN-430, WREN2-130, WREN2-230, WREN2-330, WREN2-430, WRNN-530(*),WRNN2-530(*),WREN-530,WREN2-530,WRNN-631(*),WRNN2-631(*),WREN-631, WREN2-631, WRN-12B, WRE-12B, WRN2-12B,   |