The smoke detector senses the presence of smoke and warns you before the fire starts.Commercial and residential security devices issue a signal to a fire alarm control panel as part of a fire alarm system, while household detectors.
Detection of fire is the most important and essential part of a fire fighting. Heat detectors are designed to operate when there is a specified or predetermined rate of temperature change or when a detecting element reaches a predetermined fixed temperature.
A beam smoke detector that is uniquely suited for protecting open areas with high ceilings where other methods of smoke detection are difficult to install and maintain.beam detectors are designed to operate over long distances typically up to 110 metres and require a straight uninterrupted direct line of sight.