Siemens FDO221 is a smoke detector that works according to the scattered-light principle with one sensor, optical forward scattering. Opto-electronic sampling chamber blocks disturbing extraneous light but optimally detects smoke particles. Signal processing with detection algorithms (DA).
The Siemens FDO221 Detector name is one of 46 Detectors from Siemens Building Technologies GmbH featured on TheBigRedGuide.com. View technical specifications and compare the FDO221 with other Detectors.