WebOct 1, 2006 · Projected beam detectors use a light obscuration method, which means that if some of the light is blocked from reaching the receiver, it will go into alarm. Misalignment of the beam gives the same results because there will be less light reaching the receiving unit. Duct Smoke Detectors WebAPPLICATIONS GUIDE: SYSTEM SMOKE DETECTORS 2 Foreword ... Smoke produced by a fire affects the intensity of a light beam passing through air. The smoke can block or obscure the beam. It can also cause ... detectors are usually of the projected beam type where the light source
SPC-24 Hochiki
WebSmoke Detector Spacing: On smooth ceilings, 30 – 60 feet (9.1 to 18.3 m) between projected beams and not more than one-half that spacing between a projected beam and a sidewall. Other spacing may be used depending on ceiling height, airflow characteristics, and response requirements. See NFPA 72. ENVIRONMENTAL SPECIFICATIONS Smoke Detector Tester and Starter Kit; Opal Photoelectric Smoke Detector without isolator, Notifier; Basic Unit TITANUS PRO SENS® 2 EB; Smoke Detection System; 6-Zone Analog Monitor Module; OSID Imager; LRS 100 Aspirating Smoke Detector Unit; VLS Smoke detector; S800 Series Conventional Smoke Detector; 22051E/EI Photoelectric Smoke Detector the chapel thornham norfolk
INSTALLATION AND MAINTENANCE INSTRUCTIONS …
WebConventional Products—6424 Projected Beam Type Smoke Detector 11 Installation Procedures This section contains installation information for the 6424 long distance projected beam type smoke detectors. Instructions are given for mounting, wiring, installing, and aligning the detector, and basic sensitivity information is provided. 1. WebThe Hochiki SPC-24 Projected Beam Smoke Detector consists of an emitter and receiver. The SPC-24 detector should be placed so that smoke generated by a fire will likely rise … WebOut of stock. The System Sensor BEAM1224S is a four-wire conventional reflected beam smoke detector, which is uniquely suited for protecting open areas with high ceilings, where other methods of smoke detection are difficult to install and maintain. An advantage of this single-ended reflective design is that it is much easier to install than ... tax base erosion and profit shifting beps