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Model OP921 incorporates an optical sensor using a light-scattering detection principle
simplifying maintenance and inspection
The detector also features automatic drift compensation
Simplex 8565-158 Mapnet Insolator Board
Eaton Wheelock HSR-N Strobe
System Sensor RTS151KEY Remote Resting Station Xtralis Model OP921 incorporates an opticalSystem Sensor RTS151KEY Remote Resting Station designed to test duct smoke detectors conveniently This fire detector accessory features a multi colored LED alternating between steady green and red, making it perfect for 4 wire detectors. It also illuminates red for alarms with 2 wire detectors. Features This testing station has a maximum alarm response time of 40 seconds and boasts a compact design, measuring 4. 6" H x 2. 75" W x 1. 8" D. It operates
US$ 19.95
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