System Sensor says its SpectrAlert Advance Low Frequency Sounders and Sounder Strobes are the first notification appliances to meet the new NFPA 72® 2010/2013 low frequency requirements for certain new sleeping spaces. Studies driving these requirements have shown that a lower frequency is more effective at waking individuals in a fire event, including those with mild to severe hearing loss.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.