应用:
通常和显示仪表、记录仪表、电子计算机等配套使用。直接测量各种生产过程中的0℃~1300℃范围内液体、蒸汽和气体介质以及固体表面温度。

工作原理:
铠装热电偶的电极由两根不同导体材质组成。当测量端与参比端存在温差时，就会产生热电势，工作仪表便显示出热电势所对应的温度值。

特点:
热响应时间少，减小动态误差;
可弯曲安装使用;
测量范围大;
机械强度高，耐压性能好;

        型号                  分度号                 测温范围℃                 保护管材质               安装固定装置

     WRPK-131                 S                   0~1300                  GH3039

                                                           0~1100                  GH3030
     WRMK-131                 N
                                                           0~800                   1Cr18Ni9Ti

                                                           0~1100                 GH3030
     WRNK-131                  K
                                                          0~800                   1Cr18Ni9Ti                无固定装置

     WREK-131                  E                  0~600

     WRCK-131                  T                  0~350                  1Cr18Ni9Ti

     WRFK-131                  J                  0~500

     WRPK-231                 S                   0~1300               GH3039

                                                           0～1100                GH3030
     WRMK-231                 N
                                                           0～800                1Cr18Ni9Ti

                                                           0～1100                GH3030
     WRNK-231                  K 
                                                           0～800                 1Cr18Ni9Ti               固定卡套螺纹

     WREK-231                  E                  0~600

     WRCK-231                  T                  0~350               1Cr18Ni9Ti

     WRFK-231                  J                  0~500

     WRPK-331                 S                   0~1300               GH3039

                                                           0~1100               GH3030
     WRMK-331                 N
                                                           0~800               1Cr18Ni9Ti

                                                           0~1100               GH3030
     WRNK-331                  K
                                                           0~800               1Cr18Ni9Ti              可动卡套螺纹

     WREK-331                  E                  0~600

     WRCK-331                  T                  0~350               1Cr18Ni9Ti

     WRFK-331                  J                  0~500
        型号                   分度号                测温范围 ℃              保护管材质             安装固定装置

      WRPK-431                  S                  0~1300             GH3039

                                                            0～1100              GH3030
      WRMK-431                  N
                                                            0～800             1Cr18Ni9Ti

                                                           0～1100              GH3030
      WRNK-431                  K
                                                           0～800               1Cr18Ni9Ti            固定卡套法兰

      WREK-431                  E                  0~600

      WRCK-431                  T                  0~350             1Cr18Ni9Ti

      WRFK-431                  J                  0~500

      WRPK-531                  S                  0~1300             GH3039

                                                           0~1100              GH3030
      WRMK-531                  N
                                                           0~800               1Cr18Ni9Ti

                                                           0~1100             GH3030
      WRNK-531                  K
                                                             0~800             1Cr18Ni9Ti             可动卡套法兰

      WREK-531                  E                  0~600

      WRCK-531                  T                  0~350             1Cr18Ni9Ti

      WRFK-531                  J                  0~500

1)型号221、321防护等级IP65，其他参数同231、331;

2)热电偶I级按协议订货

3)未注明测温范围及保护管材质  保护管材质一律视为1Cr18Ni9Ti;
            
主要技术参数:
产品执行标准:IEC584
GB/T18404-2001

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