导航：首页 > 产品服务 > 传感器
热电偶温度计
工业热电偶 工业热电阻 铠装热电偶 铠装热电阻
铠装除冰加热器 KJ系列铠装电热电缆器件 模具加热器 舰船稳压器用铠装电加热器
KT型高性能热敏电阻 精密绕线电阻器 二硅化钼管状螺旋发热体 电阻型热敏电缆温度报警传感器
热偶型热敏电缆 电磁感应传感器用铠装电缆 核电站用信号传输铠装引线 半导体器件
热电偶温度计
S型、B型标准热电偶 WR口系列工业热电偶 WR口K系列铠装热电偶 高精度钨铼热电偶
特殊用途热电偶 增强管式铠装热电偶、热电阻 充填式热电偶 热电偶选型
热电阻温度计
铂热电阻元件 SPK型铠装标准铂电阻温度计 WZ口系列工业热电阻 隔爆铂电阻
WZ口K口铠装铂电阻 隔爆式铠装铂电阻 特殊用途铂电阻温度计  
WRe3／25、WRe5／26高精度钨铼热电偶

采用喷雾干燥制粉新工艺研制的WRe3／25、WRe5／26热电偶丝改善了合金的加工，机械和热电性能，提高了偶丝的均匀性，各项技术性能达到世界先进水平。
钨铼热电偶适用于0~2300℃真空，惰性及还原气氛的高温测量，也可用作钢液快速测温探头，抗氧化钨铼热电偶取代铂铑热偶，应用极为广泛。

● 产品主要技术参数
basic technical parameters of product

产品名称
product

型号
model

规格（mm）
size

使用温度(℃)
work temp.range

适用环境
work condition

允许误差
tolerance

钨铼热电偶丝
WRe thermocouple wire

WRe3/25

WRe5/26

φ0.5
φ0.25
φ0.1

0~2300

真空、氢气、惰性气体
vacuum   H2
inert

±0.5%
±0.5%
±0.25%

钨铼快速热电偶
WRe quick thermocouple
Measured molten steel temperature

WRe3/25

WRe5/26

KW-602

0~2000

钢液
molten steel

±0.5%

钼套管钨铼热电偶
Mo-sheathed WRe thermocouple

WRe3/25

WRe5/26

≥φ4

≤1800

真空、氢气、惰性气体
vacuum H2 inert

±1%

钼套管钨铼热电偶
Ta-sheathed WRe thermocouple

WRe3/25

WRe5/26

≥φ3

≤2000

真空、氢气、惰性气体
vacuum H2 inert

±1%

二硅化钼套管钨铼热电偶
MoSi2-sheathed WRe thermocouple

WRe3/25

WRe5/26

φ15~φ33

≤1600

空气、氧化－还原气氛
air oxidation-reducing

±1%

刚玉套管钨铼热电偶
Al2O3-sheathed WRe thermocouple

WRe3/25

WRe5/26

≥φ10

≤1600

空气、氧化－还原气氛
air oxidation-reducing

±1%

注： 热电偶绝缘材料视使用温度可选用Al2O3,BeO,Y2O3,ThO2等。
热电偶补偿导线采用WPC／WNC。
本所可成套提供热电偶补偿导线及记录显示仪表。

■ 金铁系列热电偶
金铁热电偶主要用于低温和超低温测温。

热电偶种类

测温范围

允差

执行标准

镍铬－金铁
(NiCr-AuFe)

-270~0℃

Ⅰ级：±0.5℃
Ⅱ级：±1℃

GB2904－82

铜－金铁
(Cu-AuFe)

-270~ -196℃

Ⅰ级：±0.5℃
Ⅱ级：±1℃


● WRe3/25热电偶分度表(mV)

℃

0

10

20

30

40

50

60

70

80

90

0
100
200

0.000
1.145
2.602

0.098
1.278
2.761

0.199
1.414
2.923

0.305
1.554
3.087

0.415
1.696
3.253

0.528
1.840
3.420

0.644
1.988
3.590

0.765
2.137
3.761

0.888
2.290
3.935

1.015
2.445
4.110

300
400
500

4.286
6.129
8.077

4.464
6.320
8.275

4.644
6.512
8.475

4.825
6.705
8.675

5.008
6.898
8.875

5.192
7.093
9.076

5.377
7.288
9.277

5.563
7.484
9.479

5.751
7.681
9.681

5.940
7.879
9.883

600
700
800

10.086
12.124
14.171

10.289
12.329
14.376

10.492
12.534
14.580

10.695
12.738
14.785

10.899
12.943
14.989

11.103
13.147
15.194

11.307
13.352
15.398

11.511
13.557
15.601

11.715
13.761
15.805

11.920
13.966
16.008

900
1000
1100

16.211
18.226
20.206

16.414
18.426
20.401

16.617
18.625
20.597

16.819
18.824
20.791

17.021
19.023
20.986

17.223
19.221
21.180

17.424
19.419
21.373

17.625
19.616
21.566

17.826
19.813
21.759

18.026
20.009
21.951

1200
1300
1400

22.143
24.033
25.875

22.334
24.220
26.057

22.525
24.406
26.238

22.715
24.591
26.418

22.905
24.776
26.598

23.094
24.961
26.777

23.283
25.145
26.956

23.471
25.328
27.134

23.659
25.511
27.312

23.846
25.693
27.489

1500
1600
1700

27.666
29.404
31.085

27.842
29.575
31.249

28.018
29.745
31.413

28.193
29.914
31.577

28.368
30.083
31.740

28.542
30.252
31.902

28.715
30.419
32.063

28.888
30.587
32.224

29.061
30.753
32.384

29.233
30.919
32.543

1800
1900
2000

32.702
34.248
35.707

32.860
34.398
35.848

33.017
34.547
35.987

33.174
34.695
36.126

33.330
34.843
36.263

33.485
34.989
36.399

33.639
35.135
36.535

33.792
35.279
36.668

33.945
35.423
36.801

34.097
35.566
36.933

2100
2200
2300

37.063
38.290
39.356

37.192
38.404
39.453

37.319
38.517
39.547

37.446
38.628

37.571
38.738

37.694
38.845

37.816
38.951

37.937
39.055

38.056
39.158

38.174
39.258

● WRe5/26热电偶分度表(mV)

℃

0

10

20

30

40

50

60

70

80

90

0
100
200

0.000
1.451
3.089

0.135
1.607
3.261

0.272
1.765
3.434

0.412
1.925
3.609

0.554
2.087
3.785

0.698
2.250
3.962

0.845
2.415
4.140

0.993
2.581
4.319

1.144
2.749
4.500

1.296
2.918
4.681

300
400
500

4.863
6.731
8.655

5.047
6.921
8.849

5.231
7.112
9.044

5.416
7.304
9.239

5.601
7.496
9.434

5.788
7.688
9.629

5.975
7.881
9.824

6.163
8.074
10.019

6.352
8.267
10.215

6.541
8.461
10.410

600
700
800

10.606
12.558
14.494

10.801
12.753
14.686

10.997
12.947
14.877

11.192
13.142
15.069

11.388
13.336
15.260

11.583
13.529
15.450

11.778
13.723
15.640

11.974
13.916
15.830

12.169
14.109
16.020

12.364
14.302
16.208

900
1000
1100

16.397
18.257
20.066

16.585
18.440
20.244

16.773
18.623
20.421

16.960
18.805
20.598

17.147
18.987
20.774

17.333
19.168
20.950

17.519
19.349
21.125

17.704
19.529
21.299

17.889
19.709
21.473

18.073
19.888
21.647

1200
1300
1400

21.819
23.514
25.148

21.991
23.680
25.308

22.163
23.846
25.468

22.334
24.010
25.627

22.504
24.175
25.785

22.674
24.339
25.943

22.843
24.502
26.100

23.012
24.664
26.256

23.180
24.826
26.412

23.347
24.988
26.568

1500
1600
1700

26.722
28.236
29.688

26.876
28.384
29.830

27.030
28.531
29.971

27.183
28.678
30.112

27.335
28.824
30.252

27.486
28.969
30.391

27.637
29.114
30.530

27.788
29.259
30.668

27.938
29.402
30.805

28.087
29.546
30.942

1800
1900
2000

31.078
32.404
33.660

31.214
32.533
33.782

31.349
32.661
33.902

13.483
32.788
34.022

31.617
32.915
34.142

31.749
33.041
34.260

31.882
33.166
34.378

32.013
33.291
34.494

32.144
33.415
34.610

32.274
33.538
34.725

2100
2200
2300

34.839
35.932
36.922

34.953
36.036
37.015

35.065
36.138
37.107

35.177
36.240

35.288
36.341

35.397
36.441

35.506
36.539

35.614
36.637

35.721
36.733

35.827
36.828