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Product
High Temperature Fluoroplastic Installation Wires Cables
- Product details
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Application Scope:
Suitable for electrical and instrument connection under high temperature, low temperature or special environments (acid, alkali, oil, chemical reagents, etc.) and cables required under the above conditions.
Technical Specifications:
Rated voltage: AC 500 V, DC 1000 V.
Max long-term operating temperature: Tinned copper: 150°C / 200°C; Nickel-plated copper: 260°C.
Models:
AF46: FEP insulated installation wire
AF46P: FEP insulated shielded installation wire
AF46F46P: FEP insulated shielded sheathed installation cable
AAF4: PTFE insulated installation wire
AF4P: PTFE insulated shielded installation wire
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Q
What is a thermocouple?
A
Thermocouples are the preferred solution for extreme temperature applications. They consist of two dissimilar metal wires joined at the measuring end, generating a voltage proportional to the temperature difference.
Working Principle: When two different metals are connected, the thermoelectric effect produces a voltage at the junction. This voltage increases with rising temperature, allowing measurement via reference tables.
Key Advantages:
• Temperature Range: -270°C to 2300°C (depending on type)
• Fast Response Time (typically 0.1–10 seconds)
• Robust Construction, vibration-resistant
• Relatively Low Cost
• No External Power Required
Q
What is the difference between RTD and thermocouple?
A
• RTD (Resistance Temperature Detector): Based on the principle that a metal conductor's resistance increases with temperature, it converts resistance measurements into temperature readings.
• Thermocouple: Operates on the Seebeck effect, where two dissimilar metals in contact generate a thermoelectric voltage proportional to temperature differences.
Features
• RTD: High accuracy, stable signal, excellent linearity, ideal for low to medium temperatures.
• Thermocouple: Simple structure, fast response, high-temperature resistance, wide measurement range.
Pros & Cons
• RTD Pros: High precision, strong anti-interference, reliable low-temperature performance.
Cons: Limited upper temperature range, bulkier size, slightly slower response.
• Thermocouple Pros: Broad temperature range, high-temperature tolerance, rapid response, suitable for moving/surface measurements.
Cons: Lower accuracy at low temperatures, requires cold junction compensation, weaker signal prone to interference.
