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Metal detector - Wikipedia

en.wikipedia.org/wiki/Metal_detector

A metal detector is an electronic instrument which detects the presence of metal nearby. Metal ... Another common type are stationary "walk through" metal detectors used for security .... ...

Metal Detectors

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Some metal detectors are designed specifically for one type of searching. For example, Gold ... How deep do metal detectors detect metals? This is the most ...

How do metal detectors detect non-magnetic metals? - Quora

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Metal detectors create a magnetic field that causes (induces) an electrical current (eddy current) to flow in a nearby metallic conductor. The eddy current results in a  ...

What type of metals can metal detectors detect? - Quora

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Any type of metal, of any conductivity or ferrous (magnetic) qualities. How much of ... How do metal detectors detect non-magnetic metals?

Metal detectors facts, information, pictures | Encyclopedia.com ...

www.encyclopedia.com/medicine/psychology/psychology-and-psychiatry/metal-detectors

Metal detectors detect metallic objects, but do not image them. ... many metals, such as aluminum, are conducting but not ferromagnetic, and cannot be ... with two large coils or loop-type antennae, one a source and the other a detector.

Why Airport Metal Detectors Won't Pick Up Bullets – Consumerist

consumerist.com/2006/03/14/why-airport-metal-detectors-wont-pick-up-bullets/

Mar 14, 2006 ... They work by inducing a magnetic field in ferrous metals, and then sensing ... and a primer which does have some ferrous metal in it, but its so minimal I ... “That email about metal detectors only detecting ferrous materials is a ...

FAQ's about metal detectors - Fisher Research Laboratory

www.fisherlab.com/hobby/faqs.htm

Why do serious metal detectorists use headphones? ... Some metals corrode faster than others. ... Rod-shaped items, especially when scanned end-on, are very difficult to detect unless they're made of iron and you're using a ferromagnetic detector, such .... We are not aware of any report of a hobby type metal detector ever ...

What's The Best Gold Prospecting Metal Detector? | MetalDetector ...

www.metaldetector.com/learn/buying-guide-articles/gold-prospecting/whats-the-best-gold-prospecting-metal-detector

What are the Best Digging Trowels and Shovels for Metal Detecting? ..... What are the Types of Gold Prospecting Detectors? ... Will my gold nugget detector discriminate out junk metals? ... You can purchase the best gold metal detector in the world, but if you do not spend the time to locate the correct site, your efforts will not ...

Lost Jewelry is Frequently Found with a Metal Detector ...

www.metaldetector.com/learn/buying-guide-articles/coin-jewelry/lost-jewelry-is-frequently-found-with-metal-detector

Jewelry hunting with a metal detector article shows you how to select the ... What are the Best Metal Detectors for Metal Detecting on the Beach? ..... Any veteran detectorist will tell you to do some research before buying the detector that is right for you. For instance, all metal detectors will find gold but there are different types...

Metal Detector Buying Guide | eBay

www.ebay.com/gds/Metal-Detector-Buying-Guide-/10000000177630699/g.html

The hobby of metal detecting has become very popular in many countries around ... detectors do work well in areas where salt-water and metals can be detected. ... The VLF detectors are best for identifying different types of metals and can be ...

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How metal detectors work - Explain that Stuff

www.explainthatstuff.com

Jul 15, 2016 ... An easy-to-understand explanation of metal detectors, including an animation showing how they work and photos of different kinds of metal detectors in action. ... Northwest National Laboratory uses wave imaging to detect plastic and .... and means for indicating the presence of buried metals such as ore, ...

Different Types of Metal Detectors - Metal Detector Judge

www.metaldetectorjudge.com

Dec 19, 2015 ... As a result, one does not waste endless hours digging up worthless objects. ... Guards commonly use this type of detectors for detecting concealed weapons ... is not very efficient in differentiating the different types of metals.

How detectable is stainless steel in a metal detector and why? - Quora

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Stainless steel is a metal and by definition is also a conductor of electricity and is detectable ... One type of simple metal detector works by moving a magnet over a metallic material. ... How do metal detectors detect non-magnetic metals?