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Motion Detectors Come in a Wide Variety of Forms to Suit your Personal Safety Needs

By: Ralph Winn
Submitted: 2007-01-17 16:21:26
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Motion Detectors are standard pieces of any home security system. Useful to both residential and commercial sites, motion detectors use infrared sensors, known as IR channels, to detect movement within a certain range of a given environment. Whether your concern is to protect your home or office indoors or outdoors, motion detectors come in a wide variety of forms to suit your personal safety needs.

Indoor Infrared Motion Detectors. These motion detectors use infrared or passive infrared (PIR) sensors to alert you to particular levels of heat and/or movement in a particular room or space. PIR sensors have specific limits on sensing to avoid alerting you to movements set off by small animals. Coverage for all types ranges from 18'x40' to 50'x50' and all sizes in between. When activated, indoor infrared motion detectors will alert the police or the homeowner, depending upon the system you choose.

Ceiling-Mounted Motion Detectors. Some motion detectors are designed for a ceiling mounting, which allows for 360° coverage. They are especially suited to rooms wherein sensing from a corner-mounted detector could be blocked by shelving or storage units. Activation works in the same way as it does with other indoor motion detectors; the IR channel or PIR sensor alerts you or your local police when it encounters a particular range of heat and movement.

Pet Immune Motion Detectors. If you own a pet or pets and want to stop them from triggering a false alarm with your motion detectors, there is an array of pet immune products that will keep your home safe without risking a false alarm. Pet immune motion detectors use PIR in most cases to avoid being triggered by a small animal. Smaller changes in temperature will not register in the same zone as heat produced by humans, and will not trigger motion detectors to alert you of intrusion. Wireless Motion Detectors. For homeowners interested in the latest technology in detection, wireless motion detectors are "it." Wireless motion detectors are typically more expensive than conventional motion detectors, but their advanced yet simple features make them worth a little extra money to many homeowners. Battery-operated and customizable, wireless motion detectors use the same infrared sensing technology and are also available in pet immune forms.

Outdoor Motion Detectors. These devices are popular for both residential and commercial protection. Outdoor motion detectors trigger lights to come on when a person or vehicle is within a certain range (usually 40-50 feet) of your home or office. This system not only deters potential intruders, but also makes its owners feel safer when walking from the car to home or office at night.

Spy Motion Detectors. For all the 007-wannabes out there and the inner spy in all of us, there are several styles of spy motion detectors to choose for your residence or commercial site. Spy motion detectors can serve several functions; in addition to sensing motion through stealth PIR detection, they can also alert your phone or pager, allow you to use your own voice to ward off intruders, or record intrusions with a camera that allows you to view captured images through your TV/VCR system. Most of these detectors have multiple mounting capabilities, including wall, ceiling, or behind a wall. Spy motion detectors are often used in museums to protect visitors or intruders from stealing art objects. You can use the same system, however, in your own home or office.

Announcement Motion Detectors. When you want to know who's pulling into the driveway, knocking at the door, or milling around your commercial site, you need one of these. Announcement motion detectors alert you, via tone or recorded language message, to who is near your home or office. Most function within a 2 mile radius, and are available in wireless or handheld forms as well. Some announcement motion detectors allow you to speak through to the base system and address the person or persons detected; others alert you to such a presence through a particular tone sound or message.

Motion detectors are essential to any security system, within or without your home or office. Nearly all of them are RFI (radio frequency interference) immune, and use progressive PIR technology to give you tight security without triggering false alarms.

Indoor motion detectors are highly affordable, and range from $18-95. Outdoor motion detectors, at $80-150, are reasonably priced for their sensing capabilities. Wireless motion detectors are in a similar price range to the outdoor variety, at $70-150. Spy motion detectors, the most advanced equipment you can fine, typically range from $45-225.

Whatever your desired level of residential or commercial security, there is a broad miscellany of motion detectors to choose from, within a diverse range of prices. You are certain to find exactly what you need to keep your site safe and secure from unwanted intrusion.

Where you can find out more about Motion Detectors and articles on Home Security Systems

Article source: Expert Articles

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