Burglar alarm sensors are devices usually but not always electronic in design that
detect a potential alarm condition as part of a
home security alarm system.
Their purpose is to notify the central alarm control panel if an alarm condition
has occurred. The control panel will then make a decision on the next cause of action
which could be to immediately sound an alarm siren or delay the sounding of an alarm
siren. If the alarm system to connected to a
home security monitoring
company then they will be contacted via either a land phone line or cell phone connection.
Alarm sensors are vital in the operation of a home burglar alarm system and there
are a variety of different types of sensor currently available all used for slightly
different purposes.
The common types of alarm sensor currently available are: