RTD का क्या उपयोग है?

This question was previously asked in
RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
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  1. तापमान मापना
  2. दाब मापना
  3. आर्द्रता मापना
  4. स्थिति मापना

Answer (Detailed Solution Below)

Option 1 : तापमान मापना
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Detailed Solution

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प्रतिरोध तापमान संसूचक(RTD)

  • एक प्रतिरोध तापमान संसूचक एक इलेक्ट्रॉनिक उपकरण है जिसका उपयोग विद्युत तार के प्रतिरोध को मापकर तापमान निर्धारित करने के लिए किया जाता है।
  • इस तार को तापमान संवेदक के रूप में जाना जाता है।
  • उच्च सटीकता के साथ तापमान के मापन के लिए, एक RTD का उपयोग किया जाता है क्योंकि तापमान की एक विस्तृत श्रृंखला में इसकी अच्छी रैखिक विशेषताएं होती हैं।
  • RTD के लिए कॉपर, निकेल और प्लेटिनम का व्यापक रूप से उपयोग किया जाता है।
  • RTD में प्रतिरोध का एक धनात्मक तापमान गुणांक है।
  • इसलिए, RTD का प्रतिरोध तापमान में वृद्धि के साथ बढ़ता है।

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