{"product_id":"dahszhi-dual-laser-detector-infrared-beam-sensor","title":"Dahszhi Dual Laser Detector Infrared Beam Sensor","description":"\u003cp\u003e\u003cstrong\u003eThe Dahszhi Dual Laser Detector is a two-beam infrared perimeter sensor that reliably detects simultaneous beam interruptions for indoor ranges up to 300m and outdoor ranges up to 60m.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for mounting opposite transmitter and receiver units, this compact laser alarm beam sensor delivers focused infrared pulses and automatic alignment to simplify setup and reduce false triggers. It connects to most alarm panels via relay contacts (NO\/NC) and tolerates wide temperature and humidity ranges, making it suitable for yards, building perimeters, corridors, and restricted zones.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the two-beam detection work and why does it reduce false alarms?\u003c\/h3\u003e\n\u003cp\u003eThis model requires both infrared beams to be interrupted simultaneously before signaling an alarm, greatly lowering nuisance alerts from animals, debris, or weather. The detectors use pulsed infrared optics and built-in lensing to keep the beam stable and strong across the rated distance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo-beam simultaneous-trip logic for selective detection\u003c\/li\u003e\n  \u003cli\u003ePulsed infrared source with lensed optics for beam integrity\u003c\/li\u003e\n  \u003cli\u003eAutomatic power adjustment to maintain reliable signal across changing conditions\u003c\/li\u003e\n  \u003cli\u003eImmunity features that help against rain, snow, and mist\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the installation limits and environmental tolerances?\u003c\/h3\u003e\n\u003cp\u003ePlace the transmitter and receiver directly opposite each other. Indoor line-of-sight range reaches up to 300 meters, whereas outdoor installations are rated up to 60 meters depending on conditions. The unit is built to operate across a broad temperature and humidity window for year-round use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIndoor maximum separation: 300 m; outdoor maximum: 60 m\u003c\/li\u003e\n  \u003cli\u003eOperating temperature: -25 °C to 55 °C\u003c\/li\u003e\n  \u003cli\u003eOperating humidity: 5%–95% RH\u003c\/li\u003e\n  \u003cli\u003eResponse speed adjustable between 50 and 700 ms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat power, outputs, and connections are required?\u003c\/h3\u003e\n\u003cp\u003eThe detector accepts DC or AC power within the specified ranges and provides relay outputs suitable for most alarm control panels. It is designed for easy wiring to existing security systems and includes mounting hardware to get the transmitter and receiver aligned properly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower supply: DC 13.8–24V or AC 11–18V, P ≥ 15W\u003c\/li\u003e\n  \u003cli\u003eRelay contact outputs: Normally Open (NO) and Normally Closed (NC)\u003c\/li\u003e\n  \u003cli\u003eContact rating: AC\/DC 30V, 0.5A max\u003c\/li\u003e\n  \u003cli\u003eIncludes installation screws and instruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is alignment and maintenance handled to keep the beam accurate?\u003c\/h3\u003e\n\u003cp\u003eThe Dahszhi detector includes a built-in laser alignment aid to speed setup and ensure accurate aiming between transmitter and receiver. The unit also supports automatic transmit power adjustment that compensates for environmental changes, which extends component life and lowers maintenance frequency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated laser alignment system for quick aiming\u003c\/li\u003e\n  \u003cli\u003eAutomatic transmit power control to adapt to conditions\u003c\/li\u003e\n  \u003cli\u003eSelf-check and environment-adaptive functions for stable operation\u003c\/li\u003e\n  \u003cli\u003eSimple periodic checks recommended for long-range outdoor runs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Security integrators, facilities managers, and homeowners looking for a durable, low-false-alarm perimeter detector will find the Dahszhi Dual Laser Detector well suited to fenced yards, building approaches, corridors, and restricted-access areas. It fits installations that require long detection ranges, reliable alignment tools, and straightforward relay interfacing to existing alarm systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this unit be used outdoors in heavy rain or snow?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The sensor is built with optics and automatic power adjustment to resist false alarms from rain or snow, within its rated outdoor distance of 60 m.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What power sources are compatible with the detector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It accepts DC 13.8–24V or AC 11–18V (minimum 15W) and uses NO\/NC relay outputs to connect to alarm panels.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dahszhi","offers":[{"title":"Default Title","offer_id":48413435658397,"sku":"B07CSHT8RB","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/dahszhi-front-panel-receiver.jpg?v=1781265734","url":"https:\/\/nexoltic.com\/products\/dahszhi-dual-laser-detector-infrared-beam-sensor","provider":"Nexoltic","version":"1.0","type":"link"}