Reliable Cold Junction Extension: JX-J High Temperature Compensation Line for J-type Thermocouples
The JX-J product is a dedicated cable for J-type (Fe-CuNi) thermocouples, core role is extending the cold junction and compensating for environmental temperature fluctuations. With thermoelectric characteristics precisely matching J-type thermocouples, the JX-J product excels in low to medium temperature adaptability, stable transmission, and strong anti-interference. It replaces long-distance laying of expensive J-type thermocouple wires, reducing costs while ensuring measurement accuracy, making the JX-J product a top choice for J-type thermocouple systems.
Versatile JX-J High Temperature Compensation Line Types for Diverse Needs
The JX-J product family is classified by insulation, conductor, laying method, and sheath material:
|
Classification |
Types |
Core Specifications & Use Cases |
|
Insulation Material |
PVC |
Temperature resistance -20~70℃; low-cost for indoor normal-temperature use |
|
XLPE |
Temperature resistance -40~125℃; aging-resistant for harsh industrial environments |
|
|
PTFE/FEP |
Temperature resistance -60~200℃; acid-alkali resistant for high-temperature corrosive scenes |
|
|
Conductor Material |
Positive (Fe) + Negative (CuNi) |
Strictly matches J-type thermocouple thermoelectric characteristics |
|
Laying Method |
Fixed Laying (Solid/Stranded) |
For fixed wiring in equipment or along pipelines |
|
Mobile Laying (Multi-strand Fine Wire) |
Flexible for frequently moving temperature measurement points |
|
|
Sheath Material |
PVC |
Lightweight, cost-effective for non-corrosive indoor environments |
|
ZR-PVC (Flame-retardant) |
Flame-retardant for electrical control cabinets and cable trenches |
|
|
Stainless Steel (SS) |
High-temperature resistant, anti-impact for outdoor harsh environments |
Solid Performance & Trusted Accuracy of JX-J High Temperature Compensation Line
The JX-J product boasts excellent performance: conductor resistance ≤4.8Ω/km (1.5mm² at 20℃), insulation resistance ≥100MΩ・km, and voltage resistance 500V AC (1min no breakdown). It adapts to -60~200℃ and resists moisture, oil, and wear.
Following GB/T 4989-2013, it offers two precision grades: G (general grade, ±3℃ or ±0.75%t) for routine industrial use, and S (precision grade, ±1.5℃ or ±0.4%t) for laboratory and precision manufacturing. Widely used in metallurgy, chemical engineering, power, and food processing, it ensures reliable signal transmission for J-type thermocouple systems.
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