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 .
