using electric radiation detectors

Introduced: September 1968

Full Title

Radiation pyrometry, e.g. infrared or optical thermometry > using electric radiation detectors

Of 7 combined children, 5 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

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G01J 2005/103 2nd only CPC only CPC only
G01J 2005/106 2nd only CPC only CPC only
G01J 5/12 using thermoelectric elements, e.g. thermocouples +2 CPC IPC+CPC Available in IPC and CPC
G01J 5/20 using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices +3 CPC IPC+CPC Available in IPC and CPC
G01J 5/28 using photoemissive or photovoltaic cells +1 CPC IPC+CPC Available in IPC and CPC
G01J 5/34 using capacitors, e.g. pyroelectric capacitors +1 CPC IPC+CPC Available in IPC and CPC
G01J 5/36 using ionisation of gases IPC+CPC Available in IPC and CPC