Description
NPC NNC Iron- Copper nickel 18 compensation extension alloy wire high temperature for thermocouple sensor electrical cable thermometer
Product Description
Thermocouple compensating wire is used to connect the electrode (cold side of thermocouple) with display instrument in order to form a temperature measurement system.Thermocouple compensating wire is used to extend the reference junction of thermocouple and connect with the temperature measuring instrument to form a temperature measuring system.It usually works in most applications, which include industrial aerospace,nuclear power,chemical industry. Product Parameters
1.Chemical composition and mechanical properties
| Thermocouple type | Extension condution model | Extension condution alloy wire |
| Name | Code | Polarity | Chemical Composition/% | Density (g/cm3) | Resistivity
(μΩ.cm) | Tensile Strength
(Mpa) |
| Ni | Cr | Si | Cu | Fe |
| N | NC | Fe | NPC | Positive | - | - | - | - | 100 | 8.7 | <7.9 | >240 |
| Cu-Ni18 | NNC | Nagative | 18 | - | - | 82 | - | 8.6 | <0.3 | >250 |
2.Alloy wire specification
Alloy wire
Dia/mm | Apply to the number of wire cores | The nominal cross-sectional area of the wire core /mm² |
| 0.2 | 7 | 0.2 |
| 0.3 | 7 | 0.5 |
| 0.41 | 19 | 2.5 |
| 0.43 | 7 | 1.0 |
| 0.52 | 7 | 1.5 |
| 0.52 | 1 | 0.2 |
| 0.8 | 1 | 0.5 |
| 1.13 | 1 | 1.0 |
| 1.38 | 1 | 1.5 |
| 1.78 | 1 | 2.5 |
3.Couple KX/KCA/KCB EMF reference table (μV)
| Thermocouple type | Extension condution model | Use classification | Operating
temperatures/°C | Nominal value of
thermoelectric EMF | Level I |
| Tolerance | Range of EMF |
N | NX | G | -25 | -646 | ±43 | -603~ -689 |
| 100 | 2774 | 2731 ~2817 |
N
| NC | H | -25 | -646 | ±43 | -603~ -689 |
| 100 | 2774 | 2731~2817 |
| 200 | 5913 | 5870~5956 |
Our production as per norm GB/T 2614-2010,ASTME230,IEC6584.For further information or special request, please contact us. Detailed Photos
Company Profile
FAQ
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?
A: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 .
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