FIELD: measurement technology.
SUBSTANCE: detector can be used in concentration meters as positive and negative aeroiones. Aeroion concentration detector has bias voltage source and receiving probe. Detector additionally has two resistors connected in series, auxiliary electrode and electrometer for measuring output voltage that is proportional to measured concentration of aeroiones. Receiving probe has to be volumetric electrode made of metal grid inside which the auxiliary electrode is located. The latter is isolated from volumetric electrode.
EFFECT: improved functional abilities.
1 dwg
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