X-ray analysis apparatus with radiation monitoring feature
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jan 3, 2013
app pub date -
Jul 1, 2011
filing date -
Jul 1, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An XRF analysis apparatus includes a housing with a source of penetrating radiation to be directed at a sample and a detector for detecting fluoresced radiation from the sample. A shield is attachable to the housing to protect the user from radiation and a safety interlock is configured to detect whether or not the shield is attached to the housing. A controller is responsive to the safety interlock, and configured to monitor usage of the source of radiation at or above a predetermined power level when the shield is not attached to the housing and provide an output signal when the monitored usage of the source of penetrating radiation at or above the predetermined power level without the shield attached to the housing exceeds one or more predetermined thresholds.
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