
|
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|
类别 (代号) |
分度号
|
套管外径( d)
|
常用温度(℃)
|
最高使用温度(℃)
|
允许偏差△ t
|
|
|
测温范围(℃)
|
允差值
|
|||||
|
镍铬—康铜 WREK |
E
|
≥φ 3
|
600
|
700
|
0~700
|
± 2.5℃或 ± 0.75%t |
|
镍铬—镍硅 WRNK |
K
|
≥φ 3
|
800
|
950
|
0~900
|
± 2.5℃或 ± 0.75%t |
|
铜—康铜 WRCK |
T
|
≥φ 3
|
350
|
400
|
<-200
|
未作规定
|
|
-40~350
|
± 1℃或 ± 0.75%t |
|||||
|
偶丝直径( mm)
|
试验电压( V-DC)
|
绝缘电阻( MΩ.m )
|
|
1.5
|
50±10%
|
≥ 1000
|
|
>1.5
|
500±10%
|
≥ 1000
|
|
τ 0.5秒 套管直径 ( mm) |
接壳式
|
绝缘式
|
|
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
|
|
铠装热电偶外径 d(mm)
|
||||
|
φ 8
|
φ 6
|
φ 5
|
φ 4
|
φ 3
|
|
50
|
50
|
50
|
50
|
50
|
|
75
|
75
|
75
|
75
|
75
|
|
100
|
100
|
100
|
100
|
100
|
|
150
|
150
|
150
|
150
|
150
|
|
200
|
200
|
200
|
200
|
200
|
|
250
|
250
|
250
|
250
|
250
|
|
300
|
300
|
300
|
300
|
300
|
|
400
|
400
|
400
|
400
|
400
|
|
500
|
500
|
500
|
500
|
500
|
|
750
|
750
|
750
|
750
|
750
|
|
1000
|
1000
|
1000
|
1000
|
1000
|
|
1250
|
1250
|
1250
|
1250
|
|
|
1500
|
1500
|
1500
|
1500
|
|
|
2000
|
2000
|
2000
|
2000
|
|
|
2500
|
2500
|
2500
|
||
|
3000
|
3000
|
3000
|
||
|
4000
|
4000
|
4000
|
||
|
5000
|
5000
|
|||
|
7500
|
7500
|
|||
|
10000
|
10000
|
|||
|
15000
|
||||
|
铠装热电偶 外径 d 套管直径 ( mm) |
φ 8
|
φ 6
|
φ 5
|
φ 4
|
φ 4
|
φ 3
|
φ 2
|
|
M
|
M16*1.5
|
M12*1.5
|
|||||
|
S
|
22
|
19
|
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