补偿导线(四)
时间:2010-11-03 阅读:2076
补偿导线(四)
点击次数:38 发布时间:2010-9-13 10:03:08
1、型号、合金丝材料和绝缘颜色 Type, alloy material and insulation colors
补偿导线型号 Type of compensating conductor | 配用热电偶 | 热电偶分度号 | 补偿导线合金丝 | 绝缘层着色 | ||
正极 Positive | 负极 Negative | 正极Positive | 负极 | |||
SC | 铂铑10-铂热电偶 | S | SPC(铜)Cu | SNC(铜镍)CuNi | 红Red | 绿Green |
RC | 铑13-铂热电偶 | R | RPC(铜)Cu | RCN(铜镍)CuNi | 红Red | 绿Green |
KCA | 镍铬-镍硅热电偶 | K | KPCA(铁)Fe | KNCA(铜镍)CuNi | 红Red | 蓝Blue |
KCB | KPCB(铜)Cu | KNCB(铜镍)CuNi | 红Red | 蓝Blue | ||
KX | KPX(镍铬)NiCr | KNX(镍硅)NiSi | 红Red | 黑Black | ||
NC | 镍铬硅-镍硅热电偶 | N | NPC(铁)Fe | NNC(铜镍)CuNi | 红Red | 灰Grey |
NX | NPX(镍铬硅)NiCrSi | NNX(镍硅)NiSi | 红Red | 灰Grey | ||
EX | 镍铬-铜镍热电偶 | E | EPX(镍铬) | ENX(铜镍)CuNi | 红Red | 棕Brown |
JX | 铁-铜镍热电偶 | J | JPX(铁)Fe | JNX(铜镍)CuNi | 红Red | 紫Purple |
TX | 铜-铜镍热电偶 | T | TPX(铜)Cu | TNX(铜镍)CuNi | 红Red | 白White |
2、使用分类和护层颜色 Application category and sheath color
使用分类 Application category | 精度等级Accuracy grade | 护套颜色 Sheath color | |||
普通级General | 精密级Precision | 普通级general | 精密级Precision | ||
一般general | G | / | S | 黑色Black | 灰色Grey |
耐热用high temperature | H | / | S | 黑色Black | 黄色Yellow |
3、热电动势、允差及往复电阻
Thermoelectric potential, tolerance and reciprocating resistance
热电偶分度号 | 补偿导线型号 | 热电势及允差μV Thermoelectric potential and tolerance | 热电偶测量端温度(0C) | |||||
1000C | 2000C | |||||||
热电势 | 允差Tolerance | 热电势 | 允差Tolerance | |||||
普通级 | 精密级 | 普通级 | 精密级 | |||||
S或R | SC或RC | 645 | ±60(±50C) | ±30(±2.50C) | 1440 | ±60(±50C) | ----- | 1000 |
K | KCA | 4095 | ±100(±2.50C) | ±60(±1.50C) | 8137 | ±100(±2.50C) | ±60(±1.50C) | 1000 |
KCB | 4095 | ±100(±2.50C) | ±60(±1.00C) | ---- | ---- | -------- | 900 | |
KX | 4095 | ±100(±2.50C) | ±60(±1.00C) | 8137 | ±100(±2.50C) | ±60(±1.50C) | 900 | |
N | NC | 2774 | ±100(±2.50C) | ±60(±1.00C) | 5912 | ±100(±2.50C) | ±60(±1.50C) | 900 |
NX | 2774 | ±100(±2.50C) | ±60(±1.00C) | 5912 | ±100(±2.50C) | ±60(±1.50C) | 900 | |
E | EX | 6317 | ±200(±2.50C) | ±120(±1.50C) | 13419 | ±200(±2.50C) | ±100(±1.50C) | 500 |
J | JX | 5268 | ±140(±2.50C) | ±85(±1.50C) | 10777 | ±140(±2.50C) | ±85(±1.50C) | 500 |
T | TX | 4277 | ±60(±1.00C) | ±30(±0.50C) | 9286 | ±90(±1.50C) | ±48(±0.80C) | 300 |
补偿导线型号 | 在200C时往复电阻值Ω/M Reciprocating resistance at 200C | ||||
0.2 mm2 | 0.5 mm2 | 1.0 mm2 | 1.5 mm2 | 2.5 mm2 | |
SC或RC | 0.25 | 0.10 | 0.05 | 0.03 | 0.02 |
KCA | 3.50 | 1.40 | 0.70 | 0.47 | 0.28 |
KCB | 2.60 | 1.04 | 0.52 | 0.35 | 0.21 |
KX | 5.50 | 2.20 | 1.10 | 0.73 | 0.44 |
EX | 6.25 | 2.50 | 1.25 | 0.83 | 0.50 |
JX | 3.25 | 1.30 | 0.65 | 0.43 | 0.26 |
TX | 2.60 | 1.04 | 0.52 | 0.35 | 0.21 |
NC | 3.75 | 1.50 | 0.75 | 0.50 | 0.30 |
NX | 7.15 | 2.86 | 1.43 | 0.95 | 0.57 |
4、本安补偿导线除具有上述性能指标外,还具备以下本安性能指标
The essential safely compensating wire has the following data in addition to the above data.
项目 Item | 单位 | 指标 |
工作电容 Operating capacitance | pF/m | ≤180 |
电容不平衡 Unbalance capacitance | pF/m | ≤1 |
分布电感 Distributed induction | μH/m | ≤0.6 |
静电感应电压 Electrostatic inductive voltage | V | ≤1 |
电磁干扰感应电压 Electromagnetic inductive voltage | μV | ≤5 |