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Thermocouple wire

Thermocouple wire
Thermocouple wire:


The thermocouple alloy wires with different varieties and specifications of our company can be applied in all kinds of thermocouples, the temperature ranges from -270℃ to 1800℃. The thermocouple alloy wires have excellent performance and are extensively used in the temperature measurement and control in different fields, such as metallurgy, chemical industry, petroleum industry, machinery-electric industry, energy industry, agriculture and military industry. Our products conform to the standards of IEC584 -1and IEC-2.

¤ Characteristics:
Excellent thermoelectricity, excellent linear relationship between thermoelectrical potential and the temperature.
Excellent thermoelectrical stability, high accuracy.
¤Main qualification:

Thermocouple variety, index and temperature measurement range.

 

Thermocouple variety and index

Measurement range

Variety Index
PtRh30-PtRh6 B 600~1700
PtRh23-Pt R 0~1600
PtRh20-Pt S 0~1600
NiCr-NiSi K -200~1300
NiCr-CuNi (constantan) E -200~900
Fe-CuNi (constantan) J -40~750
Cu-CuNi (constantan) T -200~350
NiCrSi-NiSi N -200~1300
NiCr-AuFe0.07 NiCr-AuFe0.07 -270~0
The allowable grade and Tolerance obtained at 0℃

Thermocouple Type

Grade

Temperature range

Allowable deviation
Type B 600~1700 ±0.25%t
600~800 ±4℃
800~1700 ±0.5%t
Type R 0~1100 ±1℃
1100~1600 ±(1+(t-1100)×0.003)℃
0~600 ±1.5℃
600~1600 ±0.25%t
Type S 0~1100 ±1℃
1100~1600 ±(1+(t-1100)×0.003)℃
0~600 ±1.5℃
600~1600 ±0.25%t
Type K and Type N -40~1100 ±1.5℃或±0.4%t
-40~1300 ±2.5℃或±0.75%t
-200~40 ±2.5℃或±1.5%t
Type E -40~1100 ±1.5℃或±0.4%t
-40~1300 ±2.5℃或±0.75%t
-200~40 ±2.5℃或±1.5%t
Type J -40~750 ±1.5℃或±0.4%t
-40~750 ±2.5℃或±0.75%t
Type T -40~350 ±0.5℃或±0.4%t
-40~350 ±1.0℃或±0.75%t
-200~40 ±1.0℃或±1.5%t
NiCr-AuFe0.07 -270~0 ±0.5℃
±1.0℃
 ¤Name, code, diameter for the alloy wires and recommended maximum long-time & short-time temperature:
Name and code of alloy wires

Diameter of wires mm

Maximum temperature

Anode
Cathode
Name Code Name Code Long-time Short-time
PtRh30 BP PtRh6 BN Φ0.5 1600 1800
PtRh23 RP Pt RN Φ0.5 1400 1600
PtRh20 SP Pt SN Φ0.5 1300 1600
PtRh20 KP NiSi3 KN Φ0.3
Φ0.5
Φ0.8 Φ1.0
Φ1.2 Φ1.6
Φ2.0 Φ2.5
Φ3.2

700
800
900
1000
1100
1200

800
900
1000
1100
1200
1300
NiCr14.2Si NP NiSi4 NN
NiCr10 EP CuNi45 EN Φ0.3 Φ0.5
Φ0.8 Φ1.0 Φ1.2
Φ1.6 Φ2.0
Φ2.5
Φ3.2
350
450
550
650
750
450
550
650
750
900
Fe JP CuNi45 JN Φ0.3 Φ0.5
Φ0.8 Φ1.0 Φ1.2
Φ1.6 Φ2.0
Φ2.5 Φ3.2
300
400
500
600
400
500
600
750
Cu TP CuNi45 TN Φ0.2 Φ0.3
Φ0.5 Φ0.8
Φ1.0 Φ1.2
Φ1.6 Φ2.0

150
200
250
300

200
250
300
350
¤Notice items for order:     
For special thermocouple, the detailed specifications should be highlighted in the contracts.
For the thermocouple wires with requirements of special measuring accuracy in some temperature range (or the whole applied temperature range), the supply should be conducted according to the technical agreement signed by the technical department.
The thermometer wires for quick temperature measuring or carbon determination platinum-rhodium thermocouple can be supplied according to the requirements of the customers.
The thermocouple materials coated with fiber-glass, plastics, fluoroplastics, or paint can be supplied according to the signed technical agreement.
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