What Is a Smoke Detector?

 A smoke detector is simply a device that detects smoke. Smoke is usually an indication of fire. This is not always the case and when there is no actual fire they can be responsible for a number of false alarms. This device can be a local only type where they are installed to notify anyone that is in the proximity of the smoke detector. Detectors can also be connected to a control panel which can be used to sound an alarm in an entire building. These types of systems can also notify authorities if the system is monitored by an outside agency. Local Only Smoke Detection Typically a local only detector is a battery operated device . These will detect smoke and sound an internal siren inside the device to alert the occupants that are in the house. They are not meant to alert anyone other than the personnel that are close by. They also have the ability to make a small chirping noise if the battery is getting low. It is difficult to hear at times when the low battery sound is being emitte