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Huona Type K 2*0.65mm Thermocouple Cable Glass Fiber Insulation for Industrial Sensing
Type K Thermocouple Wire (2×0.65mm, Fiberglass Insulation)
Tankii Type K 2×0.65mm thermocouple cable with glass fiber insulation is a high-temperature-resistant temperature signal transmission component designed for industrial sensing applications. Composed of Chromel (NiCr10, positive electrode) and Alumel (NiAl3, negative electrode) conductors with double-layer fiberglass insulation, this precision-engineered wire delivers stable thermoelectric performance across demanding temperature ranges.
Standard Designations & Core Material Foundation
- Thermocouple Type: Type K (Chromel/Alumel, base metal thermocouple; compliant with IEC 60584-2 Class 1)
- Key Specification: 2×0.65mm (dual conductors, each 0.65mm diameter); fiberglass insulation (single layer thickness 0.4mm, braiding density ≥95%)
- Chemical Composition: Positive (KP): Ni 89%/Cr 10%/Fe 1%; Negative (KN): Ni 95%/Al 2%/Mn 2%/Si 1%
- Compliant Standards: IEC 60584-2, GB/T 4989-2013, ASTM E230, RoHS 2.0
- Manufacturer: Tankii Alloy Material, certified to ISO 9001 and IATF 16949
Key Performance Advantages
Superior High-Temperature Insulation Performance
High-purity alkali-free fiberglass insulation withstands 700℃ continuous operation and 800℃ short-term exposure, with insulation resistance remaining ≥10 MΩ*km at high temperatures. The tightly braided fiberglass sheath provides excellent protection against high-temperature dust, molten droplets, and weak corrosive gases.
Optimized 2×0.65mm Conductor Design
Each 0.65mm diameter conductor maintains loop resistance ≤1.8Ω/m (20℃) for low signal attenuation over long distances (up to 100m). Class 1 accuracy ensures thermoelectric potential error ≤±1.5℃ (0-400℃) / ±0.4% t (400-700℃) for precision heat treatment processes.
Easy Installation & Environmental Adaptability
Standard color coding (positive: yellow, negative: red) prevents connection errors, while the wide operating temperature range (-40℃ to 700℃) accommodates diverse industrial environments from low-temperature preheating to high-temperature furnace monitoring.
Technical Specifications
| Attribute | Value (Typical) |
|---|---|
| Conductor Material | Positive (KP): Chromel (NiCr10); Negative (KN): Alumel (NiAl3) |
| Conductor Specification | 2×0.65mm (diameter tolerance ±0.02mm) |
| Insulation Material | Alkali-free fiberglass (braided structure) |
| Insulation Thickness | Single layer 0.4mm, total insulation thickness 0.8mm |
| Operating Temperature Range | -40℃ to 700℃ (continuous); -40℃ to 800℃ (short-term ≤30min) |
| Accuracy Class | Class 1 (IEC 60584-2) |
| Thermoelectric Potential Error | ±1.5℃ (0-400℃); ±0.4% t (400-700℃) |
| Loop Resistance (per m) | ≤1.8Ω |
| Insulation Resistance (25℃) | ≥100 MΩ*km |
| Bending Radius | ≥10× cable diameter (static); ≥15× (dynamic) |
Product Specifications
| Item | Specification |
|---|---|
| Supply Form | 100m/200m per spool (spool diameter 150mm); custom length ≥10m |
| Surface Finish | Fiberglass natural white (optional colored braiding for polarity distinction) |
| Connection Compatibility | Matches standard K-type thermocouple connectors (M12, DIN 43729) |
| Packaging | Moisture-proof paper reel + vacuum-sealed plastic film |
| Customization | Conductor diameter (0.5-1.0mm); insulation thickness (0.3-0.6mm); fire-retardant fiberglass coating |
Typical Application Scenarios
- Industrial Furnaces: Signal transmission in metal heat treatment furnaces (600-700℃) and ceramic sintering kilns
- Boiler & Power Systems: Temperature monitoring of boiler flue gas pipelines and steam generators
- Automotive Manufacturing: Thermal profiling of engine cylinder head heat treatment (700℃ short-term exposure)
- High-Temperature Testing: Signal extension for material thermal aging test chambers (650℃ continuous operation)
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