The FL500 UV/IR Flame Detector is FM performance-approved for six different fuel sources: butane, ethane, heptane, methane, methanol and propane. By combining a precision ultraviolet sensor for quick response with an infrared sensor that monitors flame-emitted radiation, the FL500 Flame Detector operates at faster speeds with unsurpassed false-alarm immunity to provide the industry’s most reliable monitoring in its class. It features three external LED indicators for local verification by technicians of normal operation, fault conditions and alarms.
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