High Temperature Measuring Cable – Type K Extension Cable KX PFA/PFA 2x0.20mm² Laid Flat 300/500V 250°C
High Temperature Measuring Cable – Type K Extension Cable KX PFA/PFA 2x0.20mm² Laid Flat 300/500V 250°C, Conductor: NiCr (+) & NiSr (-) 7/0.19, Insulation: PFA Compound Red (+) & White (-), 2 Cores Laid Flat, Sheath: PFA Compound Blue, Outer Dimensions: 3.3 x 2.4mm
This high temperature measuring cable features Type K extension grade (KX) construction specifically engineered for accurate temperature measurement from 0°C to 200°C with 250°C cable rating. The conductors utilize NiCr (Nickel-Chromium) for positive and NiSr (Nickel-Silicon) for negative with 7/0.19 fine-strand construction, providing excellent flexibility and thermoelectric accuracy for Type K thermocouple systems. PFA insulation in red (+) and white (-) offers exceptional thermal stability, chemical resistance, and dielectric properties at 250°C continuous operation while providing clear polarity identification. The two cores are laid flat for space-saving installation in confined areas and consistent thermal contact. The blue PFA outer sheath delivers superior chemical resistance, thermal stability, and durability with a distinctive color for easy cable identification. Rated at 300/500V with compact 3.3 x 2.4mm flat profile, this cable is ideal for high temperature measurement applications requiring reliable Type K signal transmission in demanding environments.
Thermocouple Type
| Thermocouple Type | Conductor Type | Temperature Range °F | Standard Limits | Special Limits |
| T | Copper (+) vs Constantan (-) | -330 °F to -85 °F | ± 1.5% | ± 0.8% |
| -85 °F to +270 °F | ± 1.8 % | ± 0.9 °F | ||
| +270 °F to +660 °F | ± 0.75% | ± 0.4% | ||
| J | Iron (+) vs Constantan (-) | +32 °F to +545 °F | ± 0.4% | ± 2 °F |
| +545 °F to +1400 °F | ± 0.75% | ± 0.4% | ||
| E | Chromel (+) vs Constantan (-) | -300 °F to -270 °F | ± 1% | ± 1.8 °F |
| -270 °F to +480 °F | ± 3 °F | ± 1.8 °F | ||
| +480 °F to +640 °F | ± 3 °F | ± 0.4% | ||
| +640 °F to +1600 °F | ± 0.5% | ± 0.4% | ||
| K | Chromel (+) vs Alumel (-) | -330 °F to -165 °F | ± 2% | ± 1% |
| -165 °F to +32 °F | ± 4% | ± 2 °F | ||
| +32 °F to +545 °F | ± 4 °F | ± 2 °F | ||
| +545 °F to +2300 °F | ± 0.75% | ± 4% | ||
| N* | Nicrosil (+) vs Nisil (-) | + 32 °F to +545 °F | ± 4 °F | ± 2 °F |
| + 454 °F to +2300 °F | ± 0.75% | ± 4% | ||
| S | Platinum -10% | +32 °F to +1110 °F | ± 2.7 °F | ± 0.1% |
| Rhodium (+) vs Platinum (-) | +1110 °F to +2650 °F | ± 0.25% | ± 0.1% | |
| R | Platinum -13% | +32 °F to +1110 °F | ± 2.7 °F | ± 1.1 °F |
| Rhodium (+) vs Platinum (-) | +1110 °F to +2650 °F | ± 0.25% | ± 0.1 % | |
| W* | Platinum -30% | +1600 °F to +3100 °F | ± 1% | |
| Rhodium (+) vs Platinum -6% | ||||
| Rhodium (-) | ||||
| W3 | Tungsten -3% | +800 °F to +4200 °F | ± 1% | |
| Rhenium | ||||
| Tungsten -25% | ||||
| Rhenium (-) | ||||
| W3 | Tungsten (+) vs Tungsten -26% | +800 °F to +4200 °F | ± 1% | |
| Rhenium (-) | ||||
| W5* | Tungsten -5% | +800 °F to +4200 °F | ± 1% | |
| Rhenium (+) vs Tungsten -26% | ||||
| Rhenium (-) |
Key Features & Technical Advantages
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Type K extension grade (KX) for accurate temperature measurement
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NiCr (+) and NiSr (-) conductors with 7/0.19 stranding for flexibility
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PFA insulation red (+) and white (-) for clear polarity identification
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Flat construction for space-saving installation
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PFA sheath blue for chemical resistance and cable identification
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250°C continuous temperature rating
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300/500V voltage rating
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Compact flat profile: 3.3 x 2.4mm
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Excellent chemical resistance and thermal stability
Specifications & Construction
| Parameter | Details |
|---|---|
| Type | KX Type K extension cable |
| Configuration | 2 x 0.20mm² laid flat |
| Conductor (+) | NiCr (Nickel-Chromium), 7/0.19 |
| Conductor (-) | NiSr (Nickel-Silicon), 7/0.19 |
| Insulation | PFA compound, red (+) / white (-) |
| Core Arrangement | 2 cores laid flat |
| Sheath | PFA compound, blue |
| Voltage Rating | 300/500V |
| Temperature Rating | 250°C continuous |
| Outer Dimensions | 3.3 x 2.4mm |
| Application | 0-200°C temperature measurement |
Why Choose Our Type K Extension Flat Cable
We specialize in high temperature thermocouple cables for precision measurement applications. This KX flat design combines NiCr/NiSr conductors with PFA insulation for accurate Type K signal transmission up to 250°C. The 7/0.19 fine-strand construction provides flexibility for installation in confined spaces. Clear polarity identification with red/white insulation eliminates connection errors. Flat profile enables space-saving routing in equipment and control panels. Blue PFA sheath offers excellent chemical resistance and easy cable identification. As a specialized manufacturer, we control all production stages, offering custom lengths and technical support for your specific temperature measurement requirements.
Typical Applications – Solving Critical Temperature Measurement Challenges
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Industrial Process Control: Provides accurate Type K temperature measurement for ovens, furnaces, and heat treatment equipment
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Plastic Molding Machinery: Delivers reliable thermocouple connections for barrel zone temperature monitoring
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Packaging Equipment: Enables precise temperature control for heat sealing and shrink tunnel applications
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Laboratory Furnaces: Supports high temperature measurement in research and testing furnaces
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Food Processing: Provides sanitary temperature monitoring for cooking, baking, and sterilization equipment
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HVAC Systems: Delivers reliable temperature sensing for building automation and environmental control
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Automotive Testing: Supports temperature measurement in engine test cells and component development
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FAQ
Q1: What is the difference between thermocouple grade and extension grade Type K cable?
A: Extension grade (KX) uses similar but more economical alloys for connections from the probe to instrumentation, suitable for 0-200°C measurement range without exposure to process temperatures.
Q2: Why are NiCr and NiSr conductors used for Type K?
A: NiCr (Nickel-Chromium) and NiSr (Nickel-Silicon) provide accurate thermoelectric characteristics for Type K thermocouple systems with excellent stability at high temperatures.
Q3: What is the advantage of flat cable construction?
A: Flat profile allows space-saving installation in confined areas, consistent thermal contact, and simplified routing in equipment and control panels.
Q4: What does the red/white color coding indicate?
A: Red (+) and white (-) per international standards for Type K thermocouple extension cable, ensuring correct polarity connection every time.
Q5: What temperature rating does this cable achieve?
A: 250°C continuous for the PFA insulation and sheath, suitable for measurement applications up to 200°C with adequate safety margin.