ADEMCO look-down designs overcome both problems by using a shorter focal length lens mounted very close to the detector as part of the circuit board, as shown on the right figure. When the PCB is shifted vertically for pattern coverage adjustment, infrared energy is always focused since the distance between the lens and the elements never changes. Because the lens is close to the element, the projected beam on the floor is now large compared to the size of a rodent. Avoid both detection and false alarm problems with ADEMCO look-down designs.
Package Contents : 998 Motion Sensor, 3 Lenses (Standard, Long Range and Pet Alley) , Masking Labels for Standard Lens and Look-Down Window,
Standard Warranty : 6 Year
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Package Contents : 998 Motion Sensor, 3 Lenses (Standard, Long Range and Pet Alley) , Masking Labels for Standard Lens and Look-Down Window,
Additional Information : 50' x 50' (15m x 15m) coverage pattern, Horizontal and vertical pattern adjustment, Optional swivel mount bracket, Alternate polarity pulse count, SMD constructions, EZ-Mount features for fast trouble free insta
Standard Warranty : 6 Year