LFE50系列燃烧火焰监测器配合SIEMENS西门子公司出产的火焰探测器QRA50M或者QRA51M使用,转换它们的模拟量电流信号为开关量信号。
此型号可24小时连续运行。
The LFE50... together with the QRA50M / QRA51M form a self-checking UV flame supervision system (DETACTOGYR?) designed for use with continuously operating oil or gas burners or burners operating without interruption for more than 24 hours.
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LFE50... and the flame detectors QRA50... / QRA51.... It is designed for UV supervisionand can therefore be used in connection with oil burners, gas burners and gas / oilburners. Automatic startup and control of these burners must be ensured with a controlunit LEC1... (refer to Data Sheet 7761). The system is also suited for the supervision of
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manually operated burners.
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Prerequisite for the use of the DETACTOGYR system is sufficiently high UV radiation
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at the flame detector’s mounting location.
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For combustion plant where heat generation must also be ensured in the event the
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flame supervision system fails, active redundancy circuitry can be accomplished by
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