RTD Sensor Kya Hota Hai? | RTD Sensor Working principle?

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🔧 RTD Sensor Kya Hota Hai?

RTD ka full form hai Resistance Temperature Detector.

Ye ek aisa sensor hota hai jo temperature measure karta hai resistance ke zariye. Jab temperature badhta hai, to sensor ka resistance bhi badhta hai.

👉 Iska principle simple hai:

> “Temperature ↑ = Resistance ↑”

RTD mostly Platinum se bante hain, kyunki platinum ek stable aur accurate metal hai.

Sabse common RTD type hai: PT100

💡 PT100 ka matlab:

100 Ohms resistance hoti hai jab temperature 0°C hota hai.

Jab temperature badhta hai, resistance bhi increase hoti hai.

📊 RTD Use Kahan Hota Hai?

Industrial process control

Power plants

Food industry

HVAC systems

Laboratory instruments

RTD accurate aur reliable temperature sensing ke liye use kiya jata hai.

📌 RTD ek analog sensor hota hai, jo signal ko microcontroller ya PLC read karta hai.

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✅ Conclusion

RTD ek dependable sensor hai jo temperature ko high accuracy ke saath measure karta hai. PT100 sabse common hai aur industrial field mein iska use bhot zyada hota hai.

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