补偿导线与补偿电缆是在一定温度范围内（包括常温）具有与所匹配的热电偶的热电动势值相同的一对或多对带有绝缘层的导线或电缆，用它们连接热电偶与测量装置，以补偿它们与热电偶连接处的温度变化所产生的误差，补偿导线与补偿电缆分为延长型和补偿型两种。
Compensational wire & cable are cables & wires with one pair or multi-pair and insulated layer with the same Pyro-EMF value of matched thermocouple within certain temperature. They are used to connect thermocouple and measuring devices to compensate the error resulting from temperature change on connection part. They are divided into two type including extension type and compensational type.
规众格和范科围技 Specification Range
| 名称 Name | 线芯对数 Pair No. of core | 线芯结构 Core structure | 线芯结构 Core structure | |
| 补偿导线 Compensational wire | 1 | 0.5 1.0 1.5 2.5 | A | B |
| 1/0.80 | 7/0.30 | |||
| 补偿电缆 Compensational cable | 1~19 | 1/1.13 | 7/0.43 | |
| 1/1.37 | 7/0.52 | |||
| 1/1.76 | 19/0.41 | |||
主要技术要求 Main Technical Requirement
| 产品型号 Type | 补偿导线及电缆线芯 Compensational wire & cable core | 补偿导线绝缘层着色 Insulation color of compensational wire | 配用热电偶分度号 Thermocouple graduation | ||
| 正极 Plus | 负极 Minus | 正极 Plus | 负极 Minus | ||
| SC or RC | 铜 Cu | 铜镍0.6 Cu-Ni 0.6 | 红 red | 绿 green | S(铂铑10-铂)或R(铂铑13-铂) S(PtRh10-Pt)orR(PtRh13-Pt) |
| KCA | 铁 Fe | 铜镍22 Cu-Ni 22 | 红 red | 蓝 blue | K(镍铬-镍硅) K（NiCr-NiSi） |
| KCB | 铜 Cu | 铜镍40 Cu-Ni 40 | 红 red | 蓝 blue | |
| KX | 镍铬10 Ni-Cr10 | 镍硅3 Ni-Si3 | 红 red | 黑 black | |
| EX | 镍铬10 Ni-Cr10 | 铜镍45 Cu-Ni | 红 red | 棕 brown | E(镍铬-铜镍) E（NiCr-CuNi） |
| JX | 铁 Fe | 铜镍45 Cu-Ni | 红 red | 紫 violet | J(铁-铜镍) J（Fe-CuNi） |
| TX | 铜Cu | 铜镍45 | 红 red | 白 white | T(铜-铜镍) T（Cu-CuNi） |
| NC | 铁Fe | 铜镍18 Cu-Ni19 | 红 red | 灰 grey | N(镍铬硅-镍硅) N（NiCrSi-NiSi） |
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