What is Shuangjian detector

In order to overcome the deficiencies of a single technology detector, two kinds of detectors with different technical principles are usually integrated together. Only when the sensors of the two detection technologies detect the movement of the human body, the detector is called a double detector. The common Shuangjian detector on the market is mostly microwave + passive infrared, and there are infrared + air pressure detectors and audio + air pressure detectors and other products.

In order to further improve the performance of the detector, a detector that adds a microprocessor technology on the basis of Shuangjian detector is called Sanjian detector. The addition of a second technology detector to the Sanjian detector becomes a quadrant detector.

Double Kam detector characteristics

1, microwave and passive infrared two methods of detection, and through fuzzy logic digital analysis, to eliminate all kinds of ordinary detectors can not overcome the interference, only to the human body to make an alarm, to prevent false positives missed, performance far beyond the non-microwave function Infrared detectors.
2. Using the patented full-range precision temperature compensation, no matter how the ambient temperature changes, the detection sensitivity is always the same, there is no temperature dead zone (generally when the detector is at 32 Â°C ~ 40 Â°C, the sensitivity drops sharply, or in other temperature zones. Error-prone report
3, microwave detection is stable and reliable, strong anti-interference ability, the maximum coverage can be more extensive, and can be set to view the formation area.
4, programmable features, with the greatest application flexibility.

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