Brieï¬‚y discuss the different physical principles that are used in temperature measuring instruments and give examples...

90.2K

Verified Solution

Question

Electrical Engineering

Brieï¬‚y discuss the different physical principles that are usedin temperature measuring instruments and give examples ofinstruments that use each of these principles.
1. The thermoelectric effect
2. Resistance change
3. Sensitivity of semiconductor device
4. Radiative heat emission
5. Thermography
6. Thermal expansion
7. Sensitivity of ï¬ber-optic devices
8. Color change
9. Change of state of material

Answer & Explanation Solved by verified expert

3.6 Ratings (366 Votes)

There are four basic types of temperature measuring devices each of which uses a different principle 1 Mechanical devices liquidinglass thermometers bimetallic strips bulb capillary pressure type etc 2 Thermojunctive thermocouples 3 Thermoresistive RTDs and thermistors 4 Radiative infrared and optical pyrometers principle of operation A change in temperature causes some kind of mechanical motion typically due to the fact that most materials expand with a rise in temperature Mechanical thermometers can be See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member