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China, Chinese Fe- CuNi Constantan Type J Thermocouple Wire1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
AlloyNickel AlloyType J Thermocouple WireThermocouple Wire
Jiangyin Senphus Electrical Material Co., Ltd.
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Product Description Fe- CuNi(Constantan) thermocouple (Type J):Fe-CuNi thermocouple (type J) is also named Fe- Constantan thermocouple. The positive leg Fe(JP) is made by pure Iron, and the main chemical composition of negative leg Constantan (JN) is Cu: Ni≈ 55%: 45%. Although they are all called Constantan, JN does not give the same EMF output curve as EN and TN, it cannot be instead by other Constantan. The operating temperature range of type J thermocouple is -210~1200oC, but it is usually used in the temperature range 0~750oC due to embrittlement of Iron. Type J thermocouple has good resistance to oxidation and high EMF output against Platinum 67, with good temperature accuracy, sensitivity and stability. It is recommended for vacuum, oxidizing, reducing or inert atmospheres, but it can not be used in sulphurous atmosphere above 500oC.Thermocouple temperature range and tolerance NameGradeoperating temperature range(oC)temperature range(oC)Tolerancestandardlong termshort termKl12001300-40~1100+1.5oC or+0.4%tGB/T2614ll-40~1300+2.5oC or+0.75%tEl750900-40~800+1.5oC or+0.4%tGB/T4993ll-40~900+2.5oC or+0.75%tJl600750-40~750+1.5oC or+0.4%tGB/T4994ll-40~350+2.5oC or+0.75%tTl300350-40~350±0.5oC or±0.4%tGB/T2903ll±1oC or±0.75%tlll-200~40±1oC or±1.5%tNl12001300-40~1100+1.5oC or+0.4%tGB/T17615ll-40~1300+2.5oC or+0.75%t
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