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Metal Detectors
General Metal Detector Discussion
How does a Metal Detector register the difference between ironstone and small pieces of steel
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<blockquote data-quote="mbasko" data-source="post: 588609" data-attributes="member: 4485"><p>Iron stone & steel aren't the same or similar compositions.</p><p></p><p>Basically iron stone contains iron compound/s in various levels over 15%. Depending on how rich in iron compound it is it might stick to a magnet but won't signal on a detector. Other pieces will signal on a detector & are commonly referred to as hot rocks.</p><p>Most sedimentary rocks contain iron to some degree but not enough to be "iron stone".</p><p></p><p>Steel is a man made alloy that is predominantly made from pure iron & carbon.</p><p></p><p>p.s. metal detector timings & ground balancing/tracking is designed to remove most of the ground signal. It will also remove some of the target signal too but steel & other metal targets being pure metal will still have a good signal. </p><p>That's why it's important to maintain a good ground balance (fixed or manual) or not keep waving an auto tracking detector over a faint signal. If your ground balance is out it can mask faint signals or auto tracking can in some cases balance it out.</p><p>In short & in most cases if the ground balance is good it will remove unwanted noise from the ground effects but leave a clear target response on metals.</p></blockquote><p></p>
[QUOTE="mbasko, post: 588609, member: 4485"] Iron stone & steel aren't the same or similar compositions. Basically iron stone contains iron compound/s in various levels over 15%. Depending on how rich in iron compound it is it might stick to a magnet but won't signal on a detector. Other pieces will signal on a detector & are commonly referred to as hot rocks. Most sedimentary rocks contain iron to some degree but not enough to be "iron stone". Steel is a man made alloy that is predominantly made from pure iron & carbon. p.s. metal detector timings & ground balancing/tracking is designed to remove most of the ground signal. It will also remove some of the target signal too but steel & other metal targets being pure metal will still have a good signal. That's why it's important to maintain a good ground balance (fixed or manual) or not keep waving an auto tracking detector over a faint signal. If your ground balance is out it can mask faint signals or auto tracking can in some cases balance it out. In short & in most cases if the ground balance is good it will remove unwanted noise from the ground effects but leave a clear target response on metals. [/QUOTE]
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Metal Detectors
General Metal Detector Discussion
How does a Metal Detector register the difference between ironstone and small pieces of steel
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