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St. Charles, IL – System Sensor’s low frequency notification application guide is now available. It covers waking effectiveness, low frequency requirements, occupancy and building code impact, system applications, and more.The Low Frequency Notification Appliances Guide is intended to provide information about low frequency (520 Hz) notification appliance requirements used in fire alarm and carbon monoxide systems. It not only outlines the development of the NFPA 72, NFPA 720, and UL standard requirements, but it also provides guidance for placement and usage of low frequency notification appliances within fire alarm and carbon monoxide systems.To view the Low Frequency Notification Appliances guide, visit this link. Learn more about low frequency (520 Hz) sounders and sounder strobes at systemsensor.com/lf. About System Sensor:System Sensor is a global manufacturer of fire detection and notification devices, specializing in smoke detection, carbon monoxide detection, and notification technology. System Sensor places a premium on research and development, resulting in products that are reliable, sophisticated, and designed for real-world applications. With sales, service, and manufacturing facilities throughout the Americas, Europe, and Asia, System Sensor provides the most innovative and comprehensive line of products in the industry. For additional information, please visit www.systemsensor.com.