Lead-in-air monitor
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United States of America Patent
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-
Nov 5, 1985
Grant Date -
N/A
app pub date -
Nov 29, 1982
filing date -
Dec 10, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention comprises a filtration unit which retains particles from air passed through a filter medium, a transport mechanism which moves the medium to a station where the particles are subjected to X-rays, apparatus responsive to X-ray fluorescence exited by the X-rays in a predetermined element, for example lead, during a predetermined time interval and issuing a count signal indicative of quantity of the element and a microprocessor for controlling the transport and counting apparatus.
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Cited Art Landscape
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