System Sensor announced the availability of low frequency (520 Hz) sounder and sounder strobes. With white and red plastic housings, listed for wall and ceiling mounting, L-Series low frequency devices can meet virtually any application requirement. The sounder and sounder strobes are designed to address the NFPA 72 sleeping space requirements that require a low frequency notification appliance that operates within frequency range of 520 Hz ± 10 percent and is of a square wave tone. These new products provide a consistent look with the previously released L-Series product line while offering the following enhancements over the legacy SpectrAlert Advance line: up to 40 percent lower current draw for significant power supply savings; unmatched versatility to fit any application by offering wall, ceiling and compact models; rotary switch for high and low, temp 3 and temp 4 tone settings; a full candela range to optimize current draw; and compatibility with existing SpectrAlert and SpectrAlert advance notification appliances for retrofit applications.

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