TREA

Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

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Industry

  • CPC
  • G01K11/00
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Parent Industries

GPHYSICS G01Measuring instruments G01KMEASURING TEMPERATURE MEASURING QUANTITY OF HEAT THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

Current Industry

G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00

Sub Industries

G01K11/003using absorption or generation of gas G01K11/006using measurement of the effect of a material on microwaves or longer electromagnetic waves G01K11/02using evaporation or sublimation G01K11/04from material contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the vapour G01K11/06using melting, freezing, or softening G01K11/08of disposable test bodies G01K11/10using sintering G01K11/12using change of colour or translucency G01K11/125using change in reflectance G01K11/14of inorganic materials G01K11/16of organic materials G01K11/165liquid crystals G01K11/18of materials which change translucency G01K11/20using thermoluminescent materials G01K11/22using measurement of acoustic effects G01K11/24of the velocity of propagation of sound G01K11/26of resonant frequencies G01K11/265using surface acoustic wave [SAW] G01K11/28using measurements of density G01K11/30using measurement of the effect of a material on X-radiation, gamma radiation or particle radiation G01K11/32using changes in transmission, scattering or fluorescence in optical fibres G01K11/3206at discrete locations in the fibre G01K11/3213using changes in fluorescence
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