Atomic absorption photometer with a safety monitor
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United States of America Patent
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Nov 23, 1999
Grant Date -
N/A
app pub date -
Dec 15, 1998
filing date -
Dec 19, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An atomic absorption photometer includes a microprocessor which is programmed so as to affirmatively create an unsafe condition by lowering the pressure inside the flow route of a combustion improving gas and to check if the gas switch in this flow route indicates this unsafe condition. If it is found that this unsafe condition is not being indicated by the switch, a warning signal is outputted and the use of flame by the photometer is prevented.
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