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Metal Detectors
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Coil Housing Colour?
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<blockquote data-quote="AuMan" data-source="post: 511776" data-attributes="member: 2670"><p>Well actually, You and the detector aren't grounded at all.</p><p>What happens, more so on warmer windy days, is you get static charge build up on the detector ground(case, shaft, coil shield) as well as your body(which is also isolated from the ground and the detector)</p><p></p><p>So, what you will notice, the day will be clear(no storms nearby) and you'll be detecting away and you get a spike like a lightening strike makes. Often you will have bumped a rock or small shrub/tuft of grass when you get this signal, but when you check back again there is nothing. Then a little while later you'll notice the same thing again.</p><p></p><p>The colour of the coil housing won't have much to do with this. It is just what happens when dry air moves past a conductor.</p><p></p><p>However, I have heard that black abs has carbon in it, this could cause a slight signal in the coil. There was something with the black coils that were released with the extreme and they never used black again.</p><p></p><p>Cheers Mick</p></blockquote><p></p>
[QUOTE="AuMan, post: 511776, member: 2670"] Well actually, You and the detector aren't grounded at all. What happens, more so on warmer windy days, is you get static charge build up on the detector ground(case, shaft, coil shield) as well as your body(which is also isolated from the ground and the detector) So, what you will notice, the day will be clear(no storms nearby) and you'll be detecting away and you get a spike like a lightening strike makes. Often you will have bumped a rock or small shrub/tuft of grass when you get this signal, but when you check back again there is nothing. Then a little while later you'll notice the same thing again. The colour of the coil housing won't have much to do with this. It is just what happens when dry air moves past a conductor. However, I have heard that black abs has carbon in it, this could cause a slight signal in the coil. There was something with the black coils that were released with the extreme and they never used black again. Cheers Mick [/QUOTE]
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Metal Detectors
Detector Accessories
Coil Housing Colour?
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