IPC Main Group
G01K 11/00 Measuring temperature based on physical or chemical changes not covered by group , , , or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
9 direct subcodes
Child Classifications
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- G01K 11/02 using evaporation or sublimation, e.g. by observing boiling
- G01K 11/06 using melting, freezing, or softening
- G01K 11/1 using sintering
- G01K 11/12 using changes in colour, translucency or reflectance
- G01K 11/2 using thermoluminescent materials
- G01K 11/22 using measurement of acoustic effects
- G01K 11/28 using measurements of density
- G01K 11/3 using measurement of the effect of a material on X-radiation, gamma radiation or particle radiation
- G01K 11/32 using changes in transmittance, scattering or luminescence in optical fibres