FDOT421 Siemens Multi-Criteria Fire Detector The Photoelectric | Thermal (Heat) Detector (Model FDOT421) is an intelligent, addressable multi-criteria detector that incorporates optical and thermal sensors, and uses signals in a neural network to create an intelligent multi-criteria detector. The encompassing result is a detector that provides enhanced detection to a wide range of products of combustion.
Model FDOT421 is UL 268 7th Ed. listed and incorporates advanced built-in isolation (optionally configurable), which greatly improves reliability, circuit integrity and provides advanced addressable fault finding.
The multi-criteria detector additionally has state-of-the-art microprocessor circuitry (with error check), as well as detector self-diagnostics and supervision programs that is used on Desigo Fire Safety Modular | FireFinder XLS/V and on Model FC/FV20-series Desigo Fire Safety fire-alarm control panels (FACPs).
Additionally, Model FDOT421 is a plug-in and addressable two-wire multi-criteria detector (with both photoelectric and thermal sensors) that is compatible with Siemens intelligent, addressable systems.
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