Products

DESCRIPTION

Basic Info

Model NO.	J
Type	Bare
Conductor Type	Solid
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
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

Stranded Pure Iron- Copper Nickel Alloy Thermocouple constantan Wire Copper Type JProduct 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 wireDia/mm	The long-term operatingtemperatures/°C	The short-term operatingtemperatures/°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)

Operatingtemperatures/°C	Nominal value ofthermoelectric 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 FAQQ1.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 .