FPI LDM 100(D) Laser Analyzer for Dust in process gas
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FPI LDM 100(D) Laser Analyzer for Dust in process gas - 1

Measuring Principle Lense Opt-Sense Po: Detective laser diode output power. D: Dust concentration in stack. K1: Dust shutter attenuation, influenced by dust deposition. K2: Dust reflection coefficient, related to the particle structure of dust. K3: Lens convergence gain, regarded as constant. The laser beam passes across the stack or duct work and is reflected by the dust particles, the reflected light is then detected by the photoelectric sensor. The intensity of reflected laser signal is proportional to dust concentration, by which the resulting signal is analyzed to yield dust concentration. Features and Benefits ⊙ On-line continuous monitoring for various emission sources ⊙ Combined techniques: adaptive stabilization, dynamic adaptive phase-lock amplification ⊙ Very low zero drift, patented technology of on-line calibration ⊙ Compact, easy to install, anti-lightning, high adaptability, low cost and less maintenance TECHNICAL DATA Model Technical Principle Installation Type Measurement Range Zero Drift Span Drift Analog Output Protection Class Laser Back Scattered

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