Advantages and disadvantages of optical pyrometer

There are some advantages of optical pyrometer which are given below.

• The optical pyrometer is useful for high temperatures.
• It is useful for monitoring the temperature of moving object and distant objects.
• It has good accuracy.
• No need for contact with target of measurement.
• It is light in weight.

There are some disadvantages of optical pyrometer which are given below.

• The accuracy may be affected by dust, smoke and thermal background radiation.
• The optical pyrometer is not useful for measuring the temperature of clean burning gases that do not radiate visible energy.
• It is more expensive.
• It causes human error.