Handheld Metal Detectors
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Richard Armen
Apr 4, 2013, 5:10:03 PM4/4/13
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Please consider this free-reprint article written by:
Richard Armen
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Article Title: Handheld Metal Detectors
Author: Richard Armen
Word Count: 533
Article URL: http://www.isnare.com/?aid=470185&ca=Computers+and+Technology
Format: 64cpl
Contact The Author: http://www.isnare.com/eta.php?aid=470185
Easy Publish Tool: http://www.isnare.com/html.php?aid=470185
*********************** ARTICLE START ***********************
Most people are familiar with the type of metal detectors used to find buried metal objects, as well as the type that are set up for people to walk through in stores, airports, and other areas. There is a third type of widely used metal detector, too: the handheld metal detector.
These electronic instruments are usually used to detect metal on a person�s body. In many cases, these handheld models are used when the walk-through type has been set off. You may see them in airports, as people are taken from the security line after setting off the metal detector�s buzzer. There, they ensure that no guns, knives, weapons, or other metal objects are smuggled onto the plane by hiding them under the clothes and simply walking through the detector.
Handheld metal detectors are available to suit many needs, although they are usually used in large establishments with many people walking through the freestanding metal detectors. They can be used in schools, courtrooms, corrections facilities, sporting events, and any other public area or event, and are especially popular for temporary situations in which installing a walk-through detector would be impractical.
The main drawback of walk-through metal detectors is that they are unable to pinpoint the location of the metal object on a person�s body. Handheld versions are often a must-use device for people with various medical devices containing metal; these people will set off a walk-through metal detector even when they are not carrying additional metal objects. By waving a handheld metal detector in front of the body, moving in a methodical motion from head to toes, the metal object can be precisely located. Often, it is used as a replacement for a strip search, which can be invasive and unnecessary. Although the public may feel a little inconvenienced by this search, most people understand the need, and of course it is much preferable when the alternative is a strip search.
These devices consist of a control box, speaker, batteries, and microprocessor, connected to a shaft with a search coil. If the search coil moves over a metal object, it will set off the alarm. They work on the principle of pulse induction. A pulse is sent from the metal detector, and the response time is measured. A conductive metal will result in a longer pulse time than other materials, indicating the presence of a metal object.
Handheld metal detectors such as these have other applications, too. For example, construction crews can use them to find nails or other metallic objects in trees, reclaimed building materials, or other locations. They may even be as accurate as an x-ray in finding metallic objects swallowed by children, depending on the sensitivity of the specific unit that has been chosen. Handheld detectors cause no radiation, unlike x-rays.
Handheld metal detectors are often chosen as a direct replacement for other forms of searching. They require very little maintenance, and can be operated after just a brief training session. In addition, they are very accurate. Unlike freestanding detectors, handheld versions are portable. These multi-purpose metal detectors are a wise choice for many applications.
About The Author: http://www.resistattack.com has a full range of stun guns both for families and security forces. Also check for current specials on hand held metal detectors
Please use the HTML version of this article at:
http://www.isnare.com/html.php?aid=470185
*********************** ARTICLE END ***********************
- To distribute your articles go to http://www.isnare.com/distribution.php
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Message delivered directly to members of the group:
publish-the...@googlegroups.com
*****************************************************************
Please consider this free-reprint article written by:
Richard Armen
*****************************
IMPORTANT - Publication/Reprint Terms
- You have permission to publish this article electronically in free-only publications such as a website or an ezine as long as the bylines are included.
- You are not allowed to use this article for commercial purposes. The article should only be reprinted in a publicly accessible website and not in a members-only commercial site.
- You are not allowed to post/reprint this article in any sites/publications that contains or supports hate, violence, porn and warez or any indecent and illegal sites/publications.
- You are not allowed to use this article in UCE (Unsolicited Commercial Email) or SPAM. This article MUST be distributed in an opt-in email list only.
- If you distribute this article in an ezine or newsletter, we ask that you send a copy of the newsletter or ezine that contains the article to http://www.isnare.com/eta.php?aid=470185
- If you post this article in a website/forum/blog, ALL links MUST be set to hyperlinks and we ask that you send a copy of the URL where the article is posted to http://www.isnare.com/eta.php?aid=470185
- We request that you ask permission from the author if you want to publish this article in print.
The role of iSnare.com is only to distribute this article as part of its Article Distribution feature ( http://www.isnare.com/distribution.php ). iSnare.com does NOT own this article, please respect the author's copyright and this publication/reprint terms. If you do not agree to any of these terms, please do not reprint or publish this article.
*****************************
Article Title: Handheld Metal Detectors
Author: Richard Armen
Word Count: 533
Article URL: http://www.isnare.com/?aid=470185&ca=Computers+and+Technology
Format: 64cpl
Contact The Author: http://www.isnare.com/eta.php?aid=470185
Easy Publish Tool: http://www.isnare.com/html.php?aid=470185
*********************** ARTICLE START ***********************
Most people are familiar with the type of metal detectors used to find buried metal objects, as well as the type that are set up for people to walk through in stores, airports, and other areas. There is a third type of widely used metal detector, too: the handheld metal detector.
These electronic instruments are usually used to detect metal on a person�s body. In many cases, these handheld models are used when the walk-through type has been set off. You may see them in airports, as people are taken from the security line after setting off the metal detector�s buzzer. There, they ensure that no guns, knives, weapons, or other metal objects are smuggled onto the plane by hiding them under the clothes and simply walking through the detector.
Handheld metal detectors are available to suit many needs, although they are usually used in large establishments with many people walking through the freestanding metal detectors. They can be used in schools, courtrooms, corrections facilities, sporting events, and any other public area or event, and are especially popular for temporary situations in which installing a walk-through detector would be impractical.
The main drawback of walk-through metal detectors is that they are unable to pinpoint the location of the metal object on a person�s body. Handheld versions are often a must-use device for people with various medical devices containing metal; these people will set off a walk-through metal detector even when they are not carrying additional metal objects. By waving a handheld metal detector in front of the body, moving in a methodical motion from head to toes, the metal object can be precisely located. Often, it is used as a replacement for a strip search, which can be invasive and unnecessary. Although the public may feel a little inconvenienced by this search, most people understand the need, and of course it is much preferable when the alternative is a strip search.
These devices consist of a control box, speaker, batteries, and microprocessor, connected to a shaft with a search coil. If the search coil moves over a metal object, it will set off the alarm. They work on the principle of pulse induction. A pulse is sent from the metal detector, and the response time is measured. A conductive metal will result in a longer pulse time than other materials, indicating the presence of a metal object.
Handheld metal detectors such as these have other applications, too. For example, construction crews can use them to find nails or other metallic objects in trees, reclaimed building materials, or other locations. They may even be as accurate as an x-ray in finding metallic objects swallowed by children, depending on the sensitivity of the specific unit that has been chosen. Handheld detectors cause no radiation, unlike x-rays.
Handheld metal detectors are often chosen as a direct replacement for other forms of searching. They require very little maintenance, and can be operated after just a brief training session. In addition, they are very accurate. Unlike freestanding detectors, handheld versions are portable. These multi-purpose metal detectors are a wise choice for many applications.
About The Author: http://www.resistattack.com has a full range of stun guns both for families and security forces. Also check for current specials on hand held metal detectors
Please use the HTML version of this article at:
http://www.isnare.com/html.php?aid=470185
*********************** ARTICLE END ***********************
- To distribute your articles go to http://www.isnare.com/distribution.php
- For more free-reprint articles go to http://www.isnare.com
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