热电偶感温元件/WRE-002/WRE002 温度测量范围和允许误差 | 热电偶类别 | 代号 | 分度号 | 测温范围 ℃ | 允许误差Δt ℃ | | 铂铑30-铂铑6 | WRR | B | 0～1800 | ±1.5℃或±0.25%t | | 铂铑10-铂 | WRP | S | 0～1600 | ±1.5℃或±0.25%t | | 镍铬-镍硅 | WRN | K | 0～1300 | ±2.5℃或±0.75%t | | 镍铬-铜镍 | WRE | E | 0～800 | ±2.5℃或±0.75%t | ● 热响应时间 在温度出现阶跃变化时，热电偶的输出变化至相当于该变化的50%，所需要的时间称为热响应时间，用T0.5表示。 热电偶感温元件/WRE-002/WRE002● 热电偶公称压力 一般是指在室温情况下保护管所能承受的静态外压面不破裂。实际上，容许工作压力不仅与保护管材料、直径壁厚有关，还与其结构形式，安装方法、置入深度以及被测介质的流速和种类等有关。 ● 热电偶zui小置入深度 应不小于其保护管外径的8~10倍（特殊产品例外）。 ● 热电偶绝缘电阻（常温） 常温绝缘电阻的试验电压为直流500V±50V，测量常温绝缘电阻的大气条件为温度15~35℃，相对湿度45%，大气压力86~106kPa a.对于长度＞1米的热电偶，常温绝缘电阻值与其长度的乘积应不小于 100 MΩ·m 即：Rr·L≥100 MΩ·m L＞1m（式中：L-热电偶的长度.m） b.对于长度≤1米的热电偶，常温绝缘电阻值应不小于100 MΩ ● 上限温度绝缘电阻 热电偶的上限温度绝缘电阻应不小于下表规定： | 上限温度tm ℃ | 试验温度t ℃ | 电阻值 | | 100≤tm＜300 | t=tm | 10 | | 300≤tm＜500 | t=tm | 2 | | 500≤tm＜850 | t=tm | 0.5 | | 850≤tm＜1000 | t=tm | 0.08 | | 1000≤tm＜1300 | t=tm | 0.02 | | tm＞1300 | t=1300 | 0.02 | 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,RN2-640A,WRE-640A,WRE2-640A, WRN-440A,RN2-440A, WRE-440A,RE2-440A, 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, 装配式热电偶WRE2-12B, WRN-13B, WRE-13B, WRN2-13B, WRE2-13B, WRN-14B, WRE-14B, WRN2-14B, WRE2-14B, WRN-15B, WRE-15B, WRN2-15B, WRE2-15B, WRN-15AB, WRE-15AB, WRN2-15AB, WRE2-15AB, WRN-4318, WRE-4318,,WN2-4318, WRE2-4318, WRN-43C, WRE-43C, WRN2-43C, WRE2-43C, WRR-120, WRR-121, WRR2-120, WRR2-121, WRP-120, WRP-121, WRP2-120,, 热电偶WRP2-121, WRN-122, WRN-123, WRN2-123, WRR-130, WRR-131, WRR2-130, WRR2-131, WRP-130, WRP-131, WRP2-130, WRP2-131, WRN-133, WRN2-133, WRN-120, WRN2-120. WRE-120, WRE2-120, WRN-130, WRN2-130, WRE-130, WRE2-130, WRN-220, WRN-220A, WRN2-220, WRN2-220A, WRE-220, WRE-220A,, WRE2-220A, WRN-230, WRN2-230, WRE-230, WRE2-230, WRN-220, WRN-220A, WRN2-220, WRN2-220A, WRE-220, WRE-220A, WRE2-220, WRE2-220A, WRN-230, WRN2-230, WRE-230, WRE2-230, WRN-320, WRN2-320, WRE-320, WRE2-320, WRN-330, WRN2-330, WRE-330, WRE2-330, 高温耐磨热电偶WRN-420, WRN-420A, WRN2-420, WRE-420, WRE-420A, WRE2-420, WRN-430, WRN2-430, WRE-430, WRE2-430, WRN-420, WRN-420A. WRN2-420, WRE-420, WRE-420A, WRE2-420, WRN-430, WRN2-430, WRE-430, WRE2-430, WRN-520, WRN2-520, WRE-520,, WRE2-520, WRN-530, WRN2-530, WRE-530, WRE2-530, WRN-621, WRN-621A, WRN2-621, WRE-621, WRE-621A, WRE2-621, WRN-631, WRN2-631, WRE-631, WRE2-631. WRN-620，WRN-621, WRN-620A, WRN-621A, WRN2-620, WRN2-621, WRE-621, WRE-621A, WRE2-621, WRN-631, WRN2-631, WRE-631, WRE2-631, WRN-624, WRN-625, WRE-624, WRE-625, WRN-001, WRE-001, WRN-001, WRE-001, WRN-010, WRE-010, WRR-010, WRR2-010, WRP-010, WRP2-010, WRP-100，WSSX-412，WSSX-402电接点双金属温度计，WSSX-481，WSSX-411，WSSX-401，WSSX-480，WSSX-410，WSSX-400，WSSX-486B，WSSX-416B，WSSX-485B，WSSX-415B，WSSX-484B，WSSX-414B，WSSX-483B，WSSX-413B，WSSX-482B，WSSX-412B，WSSX-481B，WSSX-411B，WSSX-480B，WSSX-410B，WZPK-376U，WZPK-473U，WZPK-474U，WZPK-475U，WZPK-374U，WZPK-173U，WZPK-174U，WZPK-176U，WZPK-273U，WZPK-274U，WZPK-275U，WZPK-563U，WZPK-366U，WZPK-463U，WZPK-573U，WZPK-575U，WZPK-576U，WZP2-221B，WZP2-230B，WZP2-231B，WZC-130B，WZP-221B，WZP-230B，WZP2-130B，WZP2-420B，WZC-220B，WZC-230B，WZC-220AB，WZP-320B，WZP-331B，WZP2-320B，WZP2-324B，WZP2-330B，WZC-320B，WZP-420B，WZP-421B，WZPK2-565SA，WZPK-334U，WZPK-574S，WZP-44SAB，WZPK-573S，WZPK-24，WZPK2-24，WZP-24SAB，WZPK2-44，SBWR-2260，WZPK-44 WZP2-64SB，WZP2-24SAB，WZPK-275S，WZP-44SA，WZKP2-536SA，WZPK-2212U，WZP-1312U，WZPK-536S，WZP-1212U，WZPK2-576SA，WZPK2-575SA，WZP-6212U，WZP-4212U，WZP-3312U，WZP-4312U，WZPK-104S，WZPK-174S，WZPK-103S，WZPK2-44，WZPK2-24， |
