4 Beams Series Active Infrared Detector SFB Series

Features:
* Wired system and BUS system compatible, holographic spot real-time report.
* Unique DSP chip, patented multi-dimensional mistake-corrective code, true detection alarm technology.
* Adopts offset parabola highly accurate optical focusing mirror .
* Two groups of individual fine tuner, built-in optical collimating mirror.
* Unique displacing receiving, transmitting parts with big power, power surplus rate reaches 90%.
* Full function checking, self-adaption in environment and trouble locking.
* Patented balanced checking, unique digital filtering,
* Adopts solid relay with long usage, non-contact, low voltage and little power consumption.
* 50, 100, 150, 200, 250 meters for option


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