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Technical Information


Digital Quad Zone Logic

RX CORE has 78 dense zones to cover the whole coverage. At any spot within the coverage more than 4 (quad) zones are utilized to verify if it should generate alarm or not. Also The CORE Platform enabled the QUAD ZONE LOGIC to evolve to the next step. Providing digital quantification of infrared energy, RX-CORE enhanced accuracy in both human detectability and pet immunity.

[ patent listed ]

Quad Zone Logic & Multi-Focus Optics
Appropriate models

[Quad Zone Logic]

RX-40QZ/40PT, CX-502/502AM,MX-40QZ/50QZ/40PT,DX-40/60/40PLUS/60PLUS

[Multi-Focus Optics]

EX-35T/35R,FX-40/40D, CX-702/702RS, SX-360/360Z

OPTEX has 2 different detection logics, Quad Zone Logic and Milti-Focus Optics. Each logic creates high vertical density detection zones by original optical technology to prevent false alarms.

High Vertical Density Detection Zones of Quad Zone Logic and Multi-Focus Optics

Normally, a detector uses twin elements create two detection zones but Optex's detectors create an extremely high vertical zone density, two or three times the size of that in conventional PIRs. These taller zones capture the entire body mass of a person and enable detection of the smallest temperature contrast between them and the background.


Detection zones of ordinary PIRs


Detection zones of Optex PIR products

Detection Logics

Multi-Focus Optics

If a person is hidden from the PIR detector, he or she is not detected.

In ordinary residences and offices, there are desks, shelves and other furniture. When these objects hide a part of the body, it may make detection difficult.

Ordinary optics


Optex optics


Quad Zone Logic

Optex utilizes another technology, "QUAD Zone Logic in order to achieve the highest resistance against false alarm sources like pet and small animals.

Quad Zone Logic generates more detection zones thereby increasing the density of the coverage area. This greatly enhances the sensors ability to discriminate between people and small animals.

For example, in the shorter distance, the highly dense, multiply segmented zone pattern requires 4 to 8 zones to be broken by human sized objects. At the furthest ranges, 2 or more zones captures the humans, while small animals may affect one or only part of one zone.