Ionization detector calibration

Details Ionization detector calibration Ionization detector calibration

1978-12-26

1982-04-27

Smith, Alfred E.

Radiant energy

Calibration or standardization methods

250381, G01D 1800, H01J 4702

Patent

active

043272894

ABSTRACT:
A technique for calibrating an ionization detector by simulating the presence of particles of combustion. In one embodiment a test probe is employed extending into the chamber. The probe may be partially conductive and partially non-conductive and be either rotatable or able to be withdrawn or partially withdrawn to vary ionization current. In another embodiment the source may be moveable to alter the ionization current. In still another embodiment there is provided the temporary distortion of one electrode to change the geometry of the chamber to thereby effect ionization.

REFERENCES:
patent: 3710110 (1973-01-01), Lampart et al.
patent: 4021671 (1977-05-01), Solomon
patent: 4027165 (1977-05-01), Jacobs
patent: 4081684 (1978-03-01), Wieder
patent: 4189644 (1980-02-01), Schubert et al.
patent: 4194191 (1980-03-01), Salem

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