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Thermocouple Compensating Wire

hermocouple compensating wire is used to connect the electrode (cold side of thermocouple) with display instrument in order to form a temperature measurement system. The working temperature is -25~200℃. Our plant mainly manufacture type KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB and WREC compensating wire for thermocouple, and they are used in temperature measurement instruments and cables. Our thermocouple compensating products are all made abiding by GB/T 4990-2010 ‘Alloy wires of extension and compensating cables for thermocouples’ (Chinese National Standard), and also IEC584-3 ‘Thermocouple part 3-compensating wire’ (International standard).
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hermocouple compensating wire is used to connect the electrode (cold side of thermocouple) with display instrument in order to form a temperature measurement system. The working temperature is -25~200℃. Our plant mainly manufacture type KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB and WREC compensating wire for thermocouple, and they are used in temperature measurement instruments and cables. Our thermocouple compensating products are all made abiding by GB/T 4990-2010 ‘Alloy wires of extension and compensating cables for thermocouples’ (Chinese National Standard), and also IEC584-3 ‘Thermocouple part 3-compensating wire’ (International standard).

EMF of Compensating wire and the tolerance

Thermocouple No. indexing 热电偶分度号

 

Compensation wire type

补偿导线型号

 

Usag Classification热电偶分度号

 

Measuring junction temperature / ℃测量端温度/℃

 

standard EMF value/μV   热点动势标称值/μV

 

Precision grade       

精密级

 

General grade

普通级

 

Tolerance μV允差

Thermal EMF range μV       热电动势范围

Tolerance μV允差

Thermal EMF range μV        热电动势范围

S or R

 

SC or RC

G

100

646

±30

616~676

±60

586~706

H

100
200

646
1 1441

-
-

-
-

±60

586~706
1.381~1 501

K

KX,KCA
or KCB

G

-25
100

-968
4 096

±40

-924~-1 012
4 052~4 140

±80

-880~-1 056
4 008~4 184

H

-25
100
200

-968
4 096
8 138

±40

-924~-1 012
4 052~4 140
8 094~8 182

±88

-880~-1 056
4 008~4 184
8 050~8 226

N

NX or NC

G

-25
100

-646
2 774

±43

-603~-689
2 731~2 817

±86

-560~-732
2 688~2 860

H

-25
100
200

-646
2 774
5 913

±43

-603~-690
2 731~2 817
5 870~5 956

±86

-560~-732
2 688~2 860
5 827~5 999

E

EX

G

-25
100

-1 432
6 319

±81

-1 351~-1 513
6 238~ 6400

±138

-1 294~-1 570
6 181~6 457

H

-25
100
200

-1 432
6 319
13 421

±81

-1 351~- 1513
6 238~6 400
13 340~13 502

±138

-1 294~-1 570
6 181~6 457
13 283~13 559

J

JX

G

-25
100

-1 239
5 269

±62

-1 177~-1 301
5 207~5 331

±123

-1 116~-1 362
5 146~5 392

H

-25
100
200

-1 239
5 269
10 779

±62

- 177~-1 301
5 207~5 331
10 717~10 841

±123

-1 116~-1 362
5 146~5 392
10 656~10 902

T

TX

G

-25
100

-940
4 279

±30

-910~-970
4 249~4 309

±60

-850~-1 000
4 189~4 339

H

-25
100
200

-940
4 279
9 288

±48

-892~-988
4231~4 327
9 240~

±90

-850~-1 030
4 189~4 369
9 198~9 378

Compensating wire reciprocating resistance

Compensation wire type   补偿导线型号

Reciprocating resistance at 20℃ Ω/m (less than)                   20℃时往复电阻值Ω/m (不大于)

0.2m㎡

0.5 m㎡

1.0 m㎡

1.5 m㎡

2.5 m㎡

SC or 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

NX

7.15

2.86

1.43

0.95

0.57

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