Method of keeping measuring window of measuring device clean, and measuring device
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United States of America Patent
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Jul 18, 2000
Grant Date -
N/A
app pub date -
Jun 24, 1999
filing date -
Jul 14, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method of keeping a measuring window of a measuring device clean, and to a measuring device. Gas is blown onto the surface of the measuring window (2) of the measuring device (1). Gas is guided onto the measuring window (2) by a nozzle (3) which is substantially on the same level with the measuring window (2).
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