optical pyrometer

1. Optical
Pyrometer
By Chamuditha Benaragama

2. INTRODUCTION
A type of Radiation Thermometers.
Used to measure temperatures higher
than 6000C.
Consist of an electrical system and an
optical system.
Fire Mainly used to measure temperature
of furnaces

3. WORKING PRINCIPLE

4. MAJOR DRAWBACKS
Cannot be used in automatic temperature control schemes.
Reading could be affected by fumes.
High inherent measurement inaccuracy (~50C).
High operator-induced error. (~100C).

5. DIFFERENT TYPES OF
OPTICAL PYROMETERS

6. THANK YOU!
B.V.C.M. BENARAGAMA
170070D