Simplex 4904-9172 SF 05/02 SuperDuct detectors use differential sensing
$82.95
Description
SuperDuct detectors use differential sensing to prevent gradual environmental changes from triggering false alarms
The FSP-851 photoelectric detector’s unique optical sensing chamber is engineered to sense smoke produced by a wide range of combustion sources
Key Switch 4006/4008
designed to study the properties of glass as well as the properties of sounds produced by the shattering of framed glass
individual zone or point faults
Simplex 4904-9172 SF 05/02 SuperDuct detectors use differential sensing
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