发明名称 |
Combined aerosol monitor and calibrateable light ray scattering reference rod |
摘要 |
A calibrateable light ray scattering reference rod utilized in a light scattering dust monitor. This light ray rod scatters an amount of light equivalent to a given concentration of dust. Adjustability is provided so that several concentrations of dust can be represented. This adjustment is accomplished by moving a threaded opaque slug axially inside the translucent rod.
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申请公布号 |
US4367950(A) |
申请公布日期 |
1983.01.11 |
申请号 |
US19800219704 |
申请日期 |
1980.12.24 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE INTERIOR |
发明人 |
KLUG, JERRY J. |
分类号 |
G01N21/47;(IPC1-7):G01N21/53 |
主分类号 |
G01N21/47 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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