N
Bare
Solid
Heating
Ni Cr Si Mg
No
Bare
Round Wire
Heating, Temperature Measurement
ISO9001, RoHS
Liqun
0.2-3.2mm
Nickel Chromel Silicon
Nickel Silicon Magnesium
Yes
100kg
Liqun
Plywood Cases
3.2/2.5/2.0/1.29/0.813/0.5/0.3/0.2mm
China
75052200
Product Description
Factory Direct Supplied Thermocouple Type N Wire
Type N thermocouple has been developed which provides much longer life, longer exposure to high temperature and better reliability of EMF drift and short term EMF changes.
1.Chemical composition and mechanical properties
Product | Chemical Composition/% | Density (g/cm3) | Melting point (ºC) | Resistivity (μΩ.cm) | Tensile Strength (Mpa) | |||
Ni | Cr | Si | Mg | |||||
NP(+) Nickel Chrome Silicon | Blance | 13.7-14.7 | 1.2-1.6 | <0.01 | 8.7 | 1427 | 70 | >490 |
NN(-) Nickel Silicon Magnesium | Blance | <0.02 | 4.2-4.6 | 0.5-1.5 | 8.6 | 1399 | 29 | >390 |
2.Maximum operating temperatures
Alloy wire Dia/mm | The long-term operating temperatures/°C | The short-term operating temperatures/°C |
0.3 | 700 | 800 |
0.5 | 800 | 900 |
0.8,1.0 | 900 | 1000 |
1.2,1.6 | 1000 | 1100 |
2.0,2.5 | 1100 | 1200 |
3.2 | 1200 | 1300 |
3.Couple NP/NN EMF reference table (μV)
Operating temperatures/°C | Nominal value of thermoelectric EMF | Level I | |
Tolerance | Range of EMF | ||
100 | 2774 | ±44 | 2730-2818 |
200 | 5913 | ±49 | 5864-5962 |
300 | 9341 | ±53 | 9288-9394 |
400 | 12974 | ±59 | 12915-13033 |
500 | 16748 | ±76 | 16672-16824 |
600 | 20613 | ±94 | 20519-20707 |
700 | 24527 | ±110 | 24417-24637 |
800 | 28455 | ±126 | 28329-28581 |
900 | 32371 | ±140 | 32231-32511 |
1000 | 36256 | ±154 | 36102-36410 |
1100 | 40087 | ±167 | 39920-40254 |
1200 | 43846 | - | - |
1300 | 47477 | - | - |
Our production as per norm GB/T 2614-2010,ASTME230,IEC6584.For further information or special request, please contact us.





Q1.What is the nature of the company?
A: We are a production enterprise, our company has its own factory.
Q2. What is the MOQ of an order of your company?
A: Our company's MOQ is 100 kg for each type of product.
Q3.Can I get a sample before mass production ?
A: Sample is free,the shipping cost of the sample is paid by the customer .
Q4.How long is the mass production cycle of product?
We will end the production within 15-20 days after receiving the deposit.
Q5.What payment method does your company support?
A: We can accept T/T, L/C ,you can choose the one which the most convenient or most effective for you .
A: We are a production enterprise, our company has its own factory.
Q2. What is the MOQ of an order of your company?
A: Our company's MOQ is 100 kg for each type of product.
Q3.Can I get a sample before mass production ?
A: Sample is free,the shipping cost of the sample is paid by the customer .
Q4.How long is the mass production cycle of product?
We will end the production within 15-20 days after receiving the deposit.
Q5.What payment method does your company support?
A: We can accept T/T, L/C ,you can choose the one which the most convenient or most effective for you .