Bosch D296 Long-Range Beam Smoke Detector (24V)

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Bosch D296 — 24 V long-range projected beam smoke detector, transmitter and receiver.Beam detection covers volumes spot detectors cannot reach: atriums, arenas, churches, warehouse s. The transmitter emits a pulsed infrared beam and the receiver measures its intensity against a selected alarm threshold, compensating automatically for signal loss from dust on the covers. Range 30 ft (9 m) to 350 ft (107 m); spacing between systems 60 ft (18 m) maximum, confirmed by UL testing Sensitivity field selectable for 20, 30, 40, 50, 60 or 70% obscuration 18.0 to 32.0 VDC; receiver 70 mA alarm, 45 mA standby; transmitter 20 mA standby Conventional four-wire signalling; not for circuits using alarm verification Internally adjustable optics, 90° either side horizontally, 10° vertically 7 in. × 5.5 in. × 5.5 in.; indoor dry, –22°F to +130°F, or +32°F to +130°F for UL Listed work D297 is the 12 VDC version. The carton holds transmitter, receiver, a D344-RL remote indicator plate, a D308 field test kit and a D1005 test cable. D344-RT is the remote test plate. Show more