发明名称 |
Filter for on-line air monitor unaffected by radon progeny and method of using same |
摘要 |
An apparatus for testing air having contaminants and radon progeny therein. The apparatus includes a sampling box having an inlet for receiving the air and an outlet for discharging the air. The sampling box includes a filter made of a plate of sintered stainless steel. The filter traps the contaminants, yet allows at least a portion of the radon progeny to pass therethrough. A method of testing air having contaminants and radon progeny therein. The method includes providing a testing apparatus that has a sampling box with an inlet for receiving the air and an outlet for discharging the air, and has a sintered stainless steel filter disposed within said sampling box; drawing air from a source into the sampling box using a vacuum pump; passing the air through the filter; monitoring the contaminants trapped by the filter; and providing an alarm when a selected level of contaminants is reached. The filter traps the contaminants, yet allows at least a portion of the radon progeny to pass therethrough.
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申请公布号 |
US5977547(A) |
申请公布日期 |
1999.11.02 |
申请号 |
US19980009920 |
申请日期 |
1998.01.21 |
申请人 |
WESTINGTON SAVANNAH RIVER COMPANY |
发明人 |
PHILLIPS, TERRANCE D.;EDWARDS, HOWARD D. |
分类号 |
G01T7/04;(IPC1-7):G01T7/04 |
主分类号 |
G01T7/04 |
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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