Hot Sale Bare Thermocouple Wire Type J JP/JN Iron-Constantan

• Customization: Available
• Type: Bare
• Conductor Type: Solid
• Model NO.: J
• Application: Heating
• Conductor Material: Fe-Cu Ni
• Sheath Material: No
• Insulation Material: Bare
• Material Shape: Round Wire
• Range of Application: Heating, Temperature Measurement
• Certification: ISO9001, RoHS
• Brand: Liqun
• Diameter: 0.2-3.2mm
• Positive Pole: Pure Iron
• Negative Pole: Copper Nickel
• OEM/ODM: Yes
• MOQ: 100kg
• Sample: Available
• Transport Package: Plywood Cases
• Specification: 3.2/2.5/2.0/1.29/0.813/0.5/0.3/0.2mm
• Trademark: Liqun
• Origin: China
• HS Code: 75052200
• Production Capacity: 60000kg/Month

Product Description

Hot Sale Bare Thermocouple Wire Type J

 

Product Description

Type J Thermocouple is frequently used for its low cost and high EMF It can be used in oxidizing conditions up to 760°C. For higher temperatures, it is recommended to use large wire diameters.
Type J  thermocouple is  suitable for  oxidizing, reducing inert atmosphere or  vacuum.
 

Product Parameters

1.Chemical composition and mechanical properties
 

Product	Chemical Composition/%				Density (g/cm3)	Melting point (ºC)	Resistivity (μΩ.cm)	Tensile Strength (Mpa)
	Fe	Cu	Ni
JP(+)              Pure Iron	100	-	-		7.8	1402	12	≥240
JN(-) Copper Nickel	-	55	45		8.8	1220	49	≥390

 2.Maximum operating temperatures
 

Alloy wire Dia/mm	The long-term operating temperatures/°C	The short-term operating temperatures/°C
0.3,0.5	300	400
0.8,1.0,1.2	400	500
1.6,2.0	500	600
2.5,3.2	600	750

3.Couple JP/JN EMF reference table (μV)
 

Operating temperatures/°C	Nominal value of thermoelectric EMF	Level I
		Tolerance	Range of EMF
100	5 269	±82	5 187-5 351
200	10 779	±83	10 696-10 862
300	16 327	±83	16 244-16 410
400	21 848	±88	21 760-21 936
500	27 393	±112	27 281-27 505
600	33 102	±140	32 962-33 242
700	39 132	±174	38 958-39 306
750	42 281	±192	42 089-42 437
760	42 919	±194	42 725-43 113

 
Our production as per norm GB/T 2614-2010,ASTME230,IEC6584.For further information or special request, please contact us.
 

Detailed Photos

Company Profile

Packaging & Shipping

 

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?
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 .