Web Results

Metal detector - Wikipedia


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 .... ...

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


Metal detectors create a magnetic field that causes (induces) an electrical current (eddy ... What type of metals can metal detectors detect? Can diamonds be ...

Different Types of Metal Detectors - Metal Detector Judge


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.

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


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 ...

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


Metal detectors detect metallic objects, but do not image them. ... (Ferromagnetic objects are made of metals, such as iron, that are capable of being ... bracketed with two large coils or loop-type antennae, one a source and the other a detector.

How metal detectors work - Explain that Stuff


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, ...

Metal Detector Buying Guide | eBay


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 ...

Important technical terms about metal detecting - OKM Metal Detectors


A metal detector can locate all type of metals like gold, silver, copper, aluminium, iron ... Ferrous metals contain iron while non-ferrous metals do not contain iron.

FAQ's about metal detectors - Fisher Research Labs


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 ...

Can metal detectors detect titanium? | Reference.com


Whether a particular metal detector can detect titanium depends on the sensitivity and ... Metal detectors can not only detect a variety of metals at various depths ... How do I clean pewter? ... Burnished silver has this type of finish, making th.