适用范围:本产品广泛适用于石油、化工、冶金、核电站、发电厂等测量部门操作自动化控制、测量温度、计算机测温系统中分度号为S、K、E、J和T型热电偶配用补导线。 | |||||||
|
|
|
|
|
|
|
|
产品特性:根据不同恶劣环境、采用不同材料结构,达到耐火、耐油、耐酸、耐碱、耐腐蚀等要求。 | |||||||
|
| ||||||
主要技术参数 | |||||||
|
|
|
|
|
|
|
|
型号 |
SC |
KC |
KC1 |
KX |
EX |
JX |
TX |
正极 |
红 |
红 |
红 |
红 |
红 |
红 |
红 |
负极 |
绿 |
蓝 |
海蓝 |
黑 |
棕 |
紫 |
白 |
|
|
|
|
|
|
|
使用 |
标 |
允许等级及护层着色 | |
分类 |
志 |
普通级 |
精密级 |
一般用 |
G |
(黑色) |
S(灰色) |
耐热用 |
H |
(黑色) |
S(黄色) |
|
|
|
|
|
|
|
|
补偿导线的热电势、允差 |
|
|
|
|
|
|
热电势(标准值) |
热电网测量站湿度(℃) | |||||
100℃ |
200℃ | ||||||
热电势(标准值) |
允差 |
热电势 |
允差 | ||||
普通级 |
精密级(S) |
(标准值) |
普通级 |
精密级(S) | |||
SC或RC |
645 |
±60 |
±30 |
1440 |
±60 |
—— |
1000 |
(±5.0℃) |
(±2.5℃) |
(±5.0℃) | |||||
KCA |
4095 |
±100 |
±60 |
8137 |
±100 |
±60 |
900 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
KCB |
4095 |
±100 |
±60 |
8137 |
—— |
—— |
900 |
(±2.5℃) |
(±1.5℃) | ||||||
KX |
4095 |
±100 |
±60 |
8137 |
±100 |
±60 |
900 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
NC |
2774 |
±100 |
±60 |
5912 |
±100 |
±60 |
900 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
NK |
2774 |
±100 |
±60 |
5912 |
±100 |
±60 |
900 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
EX |
6317 |
±200 |
±120 |
13419 |
±200 |
±120 |
600 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
JX |
5268 |
±140 |
±85 |
10777 |
±140 |
±85 |
500 |
(±2.5℃) |
(±1.5℃) |
(±2.5℃) |
(±1.5℃) | ||||
TX |
4277 |
±60 |
±30 |
9285 |
±90 |
±48 |
30 |
(±1.0℃) |
(±0.5℃) |
(±1.5℃) |
(±0.8℃) |
|
|
|
|
|
|
|
|
补偿导线往复电阻 |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
补偿导线型号 |
在20℃时往复电阻值Ω/m(不大于下列值) | ||||
0.2mm2 |
0.5mm2 |
1.0mm2 |
1.5mm2 |
2.5mm2 | |
SC或RC |
0.25 |
0.1 |
0.05 |
0.03 |
0.02 |
KCA |
3.5 |
1.4 |
0.7 |
0.47 |
0.28 |
KCB |
2.6 |
1.04 |
0.52 |
0.35 |
0.21 |
KX |
5.5 |
2.2 |
1.1 |
0.73 |
0.44 |
EX |
6.25 |
2.5 |
1.25 |
0.83 |
0.5 |
JX |
3.25 |
1.3 |
0.65 |
0.43 |
0.26 |
TX |
2.6 |
1.04 |
0.52 |
0.35 |
0.21 |
NC |
3.75 |
1.5 |
0.75 |
0.5 |
0.3 |
NK |
7.15 |
2.86 |
1.43 |
0.95 |
0.57 |
热电偶分度号 |
补偿导线型号 |
补偿导线合金丝名称 |
S或R |
SC或RC |
铜-铜镍0.6 |
K |
KC |
铜-铜镍40 |
KX |
镍铬10-镍硅3 | |
N |
NC |
铁-铜镍 |
NX |
镍铬硅-镍铬镁 | |
E |
EX |
镍铬10-铜镍45 |
J |
JX |
铁-铜镍45 |
T |
TX |
铜-铜镍45 |
WRe3/WRe25 |
WReC |
铁-铜镍 |