RTD चा उपयोग काय आहे?

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RRB ALP Electronics Mechanic 21 Jan 2019 Official Paper (Shift 3)
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  1. तापमान मोजणे
  2. दाब मोजणे
  3. आर्द्रता मोजणे
  4. स्थान मोजणे

Answer (Detailed Solution Below)

Option 1 : तापमान मोजणे
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Detailed Solution

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रेझिस्टन्स टेम्परेचर डिटेक्टर (RTD)

  • रेझिस्टन्स टेम्परेचर डिटेक्टर हे इलेक्ट्रॉनिक उपकरण आहे जे विजेच्या तारेचा रोध मोजून तापमान निर्धारित करण्यासाठी वापरले जाते.
  • या वायरला तापमान सेन्सर असे संबोधले जाते.
  • उच्च अचूकतेसह तापमान मोजण्यासाठी, RTD चा वापर केला जातो कारण त्यामध्ये तापमानाच्या विस्तृत श्रेणीवर चांगली रेखीय वैशिष्ट्ये आहेत.
  • तांबे, निकेल आणि प्लॅटिनम हे आरटीडीसाठी मोठ्या प्रमाणावर वापरले जातात.
  • RTD मध्ये प्रतिरोधक तापमान गुणांक असतो.
  • म्हणून, तापमानात वाढ झाल्यामुळे आरटीडीचा प्रतिकार वाढतो.

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