Draw optical type pyrometer and list its advantages.
• Diagram of optical pyrometer
➢ Advantages: -
1) Flexibility
2) Portability
3) Monitor the temperature of moving object
4) Simple assembling of the device enables easy use of it.
5) Provides a very high accuracy with +/-5 degree Celsius.
6) The temperature is measured without contacting the heated body.
7) Fast response.
8) High output signal and moderate cost.