The General Monitors 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 UV 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 most reliable monitoring in its class. The FL500 conducts its own self-check every two minutes.
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