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Metal Detectors
General Metal Detector Discussion
T2 vs. G2 vs. AT Gold - for detecting tiny iron objects
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<blockquote data-quote="Goldpick" data-source="post: 230128" data-attributes="member: 1695"><p>My G2 has no issues picking up a 3cm fine needle in all-metal at ~15cm when run length ways across the coil, and about 10cm when run parallel to the DD windings. The sensitivity was maxed out for those readings, so I tried again at 50% sensitivity, and managed around 10cm and 5cm for the same needle orientations. </p><p></p><p>I tried discrimination mode, and it sounded like it was trying to knock the needle out, even on "0" discrimination setting, guess it wasn't strong enough to break through the threshold.</p><p></p><p>This was using the stock 11" coil, the optional 5x10 coil would be more user friendly in pinpointing the pins.</p><p></p><p>Also tried my most sensitive pinpointer (Whites TRX) on the highest sensitivity, and it only managed 1cm.</p><p></p><p>Though I think it is a bit of an overkill, have you thought of using magnets to locate the pins and needles, or are they prone to wrecking/marking the clothing.</p><p></p><p>You also have to take into account that some of these highly sensitive detectors can be interfered with by indoor electrical interference, so smaller the coil, the better it should cope. The G2 is pretty good with regards to such interference, had no issues in my shed, and I am surrounded by all sort of electrical gear and fluoro lights. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Goldpick, post: 230128, member: 1695"] My G2 has no issues picking up a 3cm fine needle in all-metal at ~15cm when run length ways across the coil, and about 10cm when run parallel to the DD windings. The sensitivity was maxed out for those readings, so I tried again at 50% sensitivity, and managed around 10cm and 5cm for the same needle orientations. I tried discrimination mode, and it sounded like it was trying to knock the needle out, even on "0" discrimination setting, guess it wasn't strong enough to break through the threshold. This was using the stock 11" coil, the optional 5x10 coil would be more user friendly in pinpointing the pins. Also tried my most sensitive pinpointer (Whites TRX) on the highest sensitivity, and it only managed 1cm. Though I think it is a bit of an overkill, have you thought of using magnets to locate the pins and needles, or are they prone to wrecking/marking the clothing. You also have to take into account that some of these highly sensitive detectors can be interfered with by indoor electrical interference, so smaller the coil, the better it should cope. The G2 is pretty good with regards to such interference, had no issues in my shed, and I am surrounded by all sort of electrical gear and fluoro lights. :) [/QUOTE]
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Metal Detectors
General Metal Detector Discussion
T2 vs. G2 vs. AT Gold - for detecting tiny iron objects
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