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Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement

    Buy cheap Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement from wholesalers
     
    Buy cheap Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement from wholesalers
    • Buy cheap Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement from wholesalers
    • Buy cheap Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement from wholesalers
    • Buy cheap Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement from wholesalers

    Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement

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    Brand Name : Senphus
    Model Number : Type J
    Certification : SGS, ISO9001
    Payment Terms : T/T,D/P
    Supply Ability : 30 tons per day
    Delivery Time : 3 days
    • Product Details
    • Company Profile

    Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement

    Reliable Type J Thermocouple Wire — Optimized for Mid-Range Temperature Measurement


    Chengxin Alloy offers precision-engineered Type J thermocouple wire, designed for accurate temperature sensing in industrial furnaces, heat treatment systems, and general-purpose thermal applications. Known for its high sensitivity, Type J is an economical and robust solution for temperature ranges between -40°C to +750°C.

    Type J thermocouple wire consists of Iron (Fe) and Constantan (Cu-Ni) conductors, providing a strong and stable EMF signal in mid-range temperature environments. Chengxin Alloy ensures high quality through controlled alloy ratios, precise drawing, and strict insulation matching for reliable field performance.


    Thermocouple temperature range and tolerance



    Name

    Usag Classification

    Grade
    Max. operating temperature(℃)
    emperitre nres)

    Tnlerene

    Standard

    Lang term

    Short term

    Fe-CuNi (Type J)
    thermocouple
    bright wire
    Jl600750-40~750±1.5℃ or ±0.4%t

    GB/T4994

    ISO 14125

    -40~750±2.5℃ or ±0.75%t



    NameJPJN
    Melting Range(℃)14021220
    Density(g/cm³)7.88.8
    Resistivity(μΩm20℃)1249
    Resistance-temperture coefficient ×10-4/K(0℃-1200℃)950.5
    Tensile strength Rm N/mm² MPa≥240≥390
    Elongation %≥20≥25


    Key Features

    • Accurate & Stable EMF Output
      Complies with ANSI/ASTM E230 standards for high thermoelectric stability in demanding environments.
    • Economical & Widely Used
      A cost-effective choice for equipment operating below 750°C, including ovens, kilns, and lab setups.
    • Multiple Insulation Options

    Fiberglass: Heat resistant to 500°C

    PVC: Economical and flexible

    Teflon (PTFE): Ideal for corrosive or moist conditions

    Silica fiber or Ceramic (available upon request)

    • Available Gauges
      From AWG 8 to AWG 30 (or 0.25mm – 3.2mm) with tight diameter tolerances.


    Typical Applications

    • Heat Treatment Furnaces & Industrial Ovens
    • Lab Instruments for Material Testing
    • Temperature Control in Automotive and Plastics Processing
    • Construction Material Curing (e.g., asphalt, concrete monitoring)
    • Fire Safety and Smoke Control Systems


    Why Choose Chengxin Alloy?

    • Factory-Direct Supply: Alloy production + precision drawing in one
    • Full Traceability: Batch-coded and tested per IEC & ASTM standards
    • Custom Options Available: Stranding, shielding, color coding, and more
    • Fast Lead Time: From sample rolls to bulk orders


    Chengxin Alloy provides high-quality Type J thermocouple wire and Type J thermocouple cable solutions tailored for industrial and laboratory temperature measurement needs. Our JX thermocouple wire—also known as Type JX extension wire—ensures accurate signal transmission between thermocouple probes and control systems. Constructed with an iron-positive leg and constantan-negative leg, J-type thermocouple wire is ideal for applications up to 750°C. Whether you're sourcing cable thermocouple Type J, Watlow-compatible thermocouple Type J, or simply looking for durable, corrosion-resistant Type J cable, Chengxin’s products deliver consistent performance. Available in bare wire or insulated formats, including kabel thermocouple Type J, our offerings meet ANSI and IEC standards for precision. With reliable Type J wire materials, tight tolerances, and full traceability, we’re ready to support your thermocouple assembly or OEM requirements.





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