Ads
related to: magnetic sensors for alarm system securitybestopchoices.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
Change in the local magnetic field due to the presence of ferrous metals induces a current in the buried sensors (buried cables or discrete sensors) which are analyzed by the system. If the change exceeds a predetermined threshold, an alarm is generated. [ 17 ]
A driveway alarm system is often integrated as a component of a system which automatically performs a task or alerts home owners of an unexpected intruder or visitor. Driveway alarms can be a vital component of security, automated lighting control, home control, energy efficiency, and other useful systems. [citation needed]
Examples are door and window sensors in burglar alarm systems and tamperproofing methods. Reed switches have been used in laptops to put the laptop into sleep/hibernation mode when the lid is closed. Speed sensors on bicycle wheels frequently use a reed switch to actuate briefly each time a magnet on the wheel passes the sensor.
A fence-mounted perimeter intrusion detection system installed on a chain link fence. A perimeter intrusion detection system ( PIDS ) is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.
When you purchase the ADT Home Security System, you’re paying, first and foremost, for the name and reputation of this company that has provided security for over 140 years.
Magnetic locks are almost always part of a complete electronic security system. Such a system may simply consist of an attached keycard reader or may be more complex, involving connection to a central computer that monitors the building's security. Whatever the choice of locking system, fire safety is an important consideration. [2]
A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
Door and window sensors are also implemented in most home security systems. One part of the system is installed on the door or window itself while the other part is installed on the frame of the door or window. The two part system connects securely when a door or window is closed, creating a security circuit. [5]
Ads
related to: magnetic sensors for alarm system securitybestopchoices.com has been visited by 1M+ users in the past month