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About Flame Detectors
Flame detectors use optical sensors working at specific spectral ranges (usually narrow band) to record the incoming radiation at the selected wavelengths. 30 - 40% of the energy radiated from a fire is electromagnetic radiation that can be read at various spectral ranges (such as UV, VIS, IR). The signals are then analyzed using a predetermined technique (flickering frequency, threshold energy signal comparison, mathematical correlation between several signals, correlation to memorized spectral analysis, etc.).
Engineering Web: Flame Detectors - Machine Design
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Machine Design | Sensor Sense: Ultrasonic Double-Sheet Detectors |
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Articles By Author | Machine Design Sensor Sense: Ultrasonic Double-Sheet Detectors |
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Machine Design | Magnesium or aluminum in the mix can bump the flame temperature from 5,400 to 8,000°F. |
