Bosch D297 Projected Beam Smoke Detector

Projected Beam Smoke Detector 12V. The D297 12V Projected is used in clear open structures such as arenas, atriums, auditoriums, ballrooms, churches, factories, museums, and warehouses. Each consists of a transmitter, receiver, remote indicator plate. Because transmitter receiver typically mount on ceiling or high walls columns, they provide an effective unobtrusive means supervising public areas for fire protection. D306 Plate, included with D297, provides convenient verifying status. Install it anywhere within 500 ft (152 m) (when using 18 AWG [0.75 mm2] wire). plate has three LEDs to indicate normal, trouble, alarm conditions, test points monitor circuit.

• Operates over distances between 30 (9 350 (107 m)
• Six levels switch-selectable sensitivity
• Built-in alignment sights tamper protection
• Automatic range adjustment, signal synchronization, contamination adjustment
• Remote annunciates status voltage monitoring