IPC Subgroup
G01J 5/58 using absorption; using extinction effect
Introduced: September 1968
Last revised: January 2022
Full Title
Radiation pyrometry, e.g. infrared or optical thermometry > using absorption; using extinction effect
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY