IPC Main Group
G01K 7/00 Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat
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 7/01 using semiconducting elements having PN junctions
- G01K 7/02 using thermoelectric elements, e.g. thermocouples
- G01K 7/16 using resistive elements
- G01K 7/3 using thermal noise of resistances or conductors
- G01K 7/32 using change of resonant frequency of a crystal
- G01K 7/34 using capacitative elements
- G01K 7/36 using magnetic elements, e.g. magnets, coils
- G01K 7/4 using ionisation of gases
- G01K 7/42 Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature