类别 |
代号 |
分度号 |
套管外径mm |
常用温度℃ |
允许偏差△t | |
测量范围℃ |
允差值 | |||||
镍铬-铜镍 |
WREK |
E |
≥Φ2 |
600 |
0~600 |
±2.5℃或±0.75%t |
镍铬-镍硅 |
WRNK |
K |
≥Φ2 |
800 |
0~800 |
±2.5℃或±0.75%t |
铁-铜镍 |
WRFK |
J |
≥Φ2 |
750 |
0~750 |
±2.5℃或±0.75%t |
铜-铜镍 |
WRCK |
T |
≥Φ2 |
350 |
-200~40 |
±1℃或±1. 5%t |
-40~350 |
±1℃或±0.75%t |
热响应时间T0.5 S |
接壳式 |
绝缘式 |
套管直径(MM) | ||
2.0 |
0.4 |
0.5 |
3.0 |
0.6 |
1.2 |
4.0 |
0.8 |
2.5 |
5.0 |
1.2 |
4.0 |
6.0 |
2.0 |
6.0 |
8.0 |
4.0 |
8.0 |
套管直径(mm) |
试验电压V-D.C |
绝缘电阻M.Ωm |
0.5~1.5 |
50±5 |
≥1000 |
>1.5 |
500±50 |
≥1000 |
铠装热电偶外径d(mm) | ||||
Φ8 |
Φ6 |
Φ5 |
Φ4 |
Φ3 |
50
75
100
150
200
250
300
400
500
750
1000 |
50
75
100
150
200
250
300
400
500
750
1000
1250
1500
2000 |
50
75
100
150
200
250
300
400
500
750
1000
1250
1500
2000
2500
3000
4000 |
50
75
100
150
200
250
300
400
500
750
1000
1250
1500
2000
2500
3000
4000
5000
7500
10000 |
50
75
100
150
200
250
300
400
500
750
1000
1250
1500
2000
2500
3000
4000
5000
7500
10000
15000 |