The Consumer Product Safety Commission is issuing a recall of at least 29,000 fire detectors with strobe lights due to low-frequency sounders. In a notice, the CPSC said the company was recalling its ...
The SpectrAlert advance low-frequency sounders and sounder strobes by System Sensor of St. Charles, Ill., are the first notification appliances to meet the new NFPA 72 2010/2013 low-frequency ...
Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...
Honeywell has identified an issue that could affect sound output on System Sensor L-series low-frequency sounders and strobes for residential apartments and commercial buildings. Products affected ...
Low frequency requirements have also been added to NFPA 72 Chapter 24, which covers emergency communications systems, such as in-building fire EVAC systems and mass notification systems (also see MNS ...