Conv. Duct Smoke Detector, 4-Wire, 120V, Photoelectric , USA

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Duct probe unit. Requires optical detector with Base additionally.Sampling tube Inbuild into it

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4 wire Conv Beam Detector with 8" Reflector and integral Sensitivity Test, requires SMK1(Surface Mounting Kit),5-70 meters protection range,Spacing-9.1 to 18.3m,Single-ended, reflective design,User-friendly alignment procedure,Six user selectable sensitivity levels,Optional integral NFPA 72 sensitivity test feature,Removable plug-in terminal blocks,Digital display for easy alignment,Built-in automatic gain control compensates for signal deterioration,from dust build-up,Remote test station option,Paintable cover,Easiest alignment in the industry,Heater kits for transmitter/receiver and reflector option

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• Quick and simple to install
• IP40 protection
• Simple loop connection
• No power supply required
• Single point of maintenance

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997 Cable Modulator

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