Vesda OSI-90 Open-Area Smoke Imaging Detector SF 04/03 The Simplex 4905-9931 is an

The Simplex 4905-9931 is an Adapter Plate

fan operation

The I300(A) should be placed between each device on the SLC loop to isolate a short-circuit problem between the modules

Up to 32 devices

Heat Detector

Vesda OSI-90 Open-Area Smoke Imaging Detector SF 04/03 The Simplex 4905-9931 is anOpen area Smoke Imaging Detection (OSID) provides projected beam smoke detection technology. By using advanced dual wavelength projected beams and optical imaging technology for early warning smoke detection, OSID provides a low cost, reliable and easy to install solution that overcomes typical beam detection issues such as false alarm incidents and alignment difficulties.