The Know Series - Motion Sensors

Motion sensors, or commonly known as motionare dual technology sensor and passive infrared
detectors, have become an integral part of securitysensor. The latter is most commonly used.
and home automation systems. They can detectIt needs both movement and heat to set off,
sound easily, producing alarm as soon as imageeliminating false alarms caused by plants, vertical
record devices capture an image. A lot of peopleblinds and likewise. Its driveway motion sensor
have started investing in this product as the feasibilityenables opening of garage door, turning the lights off
that it offers is just outstanding. Catching a glimpseif it is dark and closing the door on exit.
of someone movement is something that can reallyIt also opens the gate on return, switching the
stand as a great means in maintenance of security.driveway lights, the front yard lights and the flood
Drive way sensors are the most common motionlights for you.
sensor devices used in commercial establishments,Motion detector types
offices and homes. Motion sensor lighting has beenThere are various types of motion sensors, right
widely used to light up passage or rooms whenfrom the most sophisticated laser beams to the
necessary and switch off when not needed. Wirelesssimplest infrared detectors. These sensors detect the
motion detectors are hugely popular in the arena ofpresence of any motion in the area it operates. So,
home security devices. A lot of museums have thiswhen someone tries to come into your area, you can
technology. For the high value possessions that theybe sure that the motion sensor will detect the
hold, human security is not sufficient. Therefore themovement. This way you can be updated about the
motion sensors come across as a very good optionmoves of the bad guys and bring them down.
to invest in.It could either be location specific or one spread over
Let us now get into more details of motiona large area. For instance, door front is a specific
detectors, how they function, and how much senselocation. If someone steps on the doormat, it triggers
there is in investing in such devices.an alarm.
Functioning Principles of Motion DetectorsArea usually indicates something which moves within
There are two major principles on which motionthe view of a particular sensor. It is bigger in size
sensors work - again, it depends on the type ofthan location specific sensors. Simple electronic heat
sensor. The two major types available in the marketsensitive devices are used in both cases.