Electrostatic dust detector

Details Electrostatic dust detector Electrostatic dust detector

2006-05-02

2006-05-02

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Using ionization effects

For analysis of gas, vapor, or particles of matter

C324S071400

Reexamination Certificate

active

07038460

ABSTRACT:
An apparatus for detecting dust in a variety of environments which can include radioactive and other hostile environments both in a vacuum and in a pressurized system. The apparatus consists of a grid coupled to a selected bias voltage. The signal generated when dust impacts and shorts out the grid is electrically filtered, and then analyzed by a signal analyzer which is then sent to a counter. For fine grids a correlation can be developed to relate the number of counts observed to the amount of dust which impacts the grid.

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