FIELD: aerophysics; gas and atmospheric air analyzers; measuring concentration of positive and negative aeroions in premises. SUBSTANCE: aeroion counter has plate electrodes placed between permanent-magnet poles so that normal to plate electrodes, velocity vector of aeroion flux, and vector of magnetic flux density of permanent magnets are relatively perpendicular. EFFECT: improved measurement accuracy.
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Authors
Dates
1999-06-20—Published
1997-01-06—Filed