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Metal Detectors
Garrett
Garrett AT Max information and questions
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<blockquote data-quote="Ship of fools" data-source="post: 400283" data-attributes="member: 12134"><p>Ive just done some air testing between the 5x8 and the 8x11 did coils.</p><p>Settings are ground balance 91(that was on it when I switched it on and didnt change with auto balance)</p><p>Threshold on 2 (1was silent 2 was audible)</p><p>Full sensitivity </p><p>New battery </p><p>Coil was stationary waving the target across the blade of the DVD coils. Doing this I found if I went to slowly it may not pick it at all and at the right speed (fairly quickly) it picked it at better depth.</p><p></p><p>Lead 0.25gram 5 (5x8) 60mm, 11 (8x11) 70mm</p><p></p><p>Lead 0.5g 5 75mm, 11 75mm</p><p></p><p>Lead 0.75g 5 90mm, 11 110mm</p><p></p><p>Lead 1.17g air rifle pellet 5 125mm, 11 160mm</p><p></p><p>Lead 2.25g spent .22 bullet 5 130mm, 11 180mm</p><p></p><p>Lead 7.0g conical sinker 5 200mm, 11 275mm</p><p></p><p>The 5 coil either picked the lead or it didnt with a strong clear tone and numbers of 38 to 44.</p><p>The 11 coil had fading tones, hit and miss and various numbers from 38 to 70</p><p></p><p>I have to now figure out how to test the same in some hot ground, changing depth not the coil. </p><p>After doing this I feel more comfortable with the small coil.</p><p>Matt T</p></blockquote><p></p>
[QUOTE="Ship of fools, post: 400283, member: 12134"] Ive just done some air testing between the 5x8 and the 8x11 did coils. Settings are ground balance 91(that was on it when I switched it on and didnt change with auto balance) Threshold on 2 (1was silent 2 was audible) Full sensitivity New battery Coil was stationary waving the target across the blade of the DVD coils. Doing this I found if I went to slowly it may not pick it at all and at the right speed (fairly quickly) it picked it at better depth. Lead 0.25gram 5 (5x8) 60mm, 11 (8x11) 70mm Lead 0.5g 5 75mm, 11 75mm Lead 0.75g 5 90mm, 11 110mm Lead 1.17g air rifle pellet 5 125mm, 11 160mm Lead 2.25g spent .22 bullet 5 130mm, 11 180mm Lead 7.0g conical sinker 5 200mm, 11 275mm The 5 coil either picked the lead or it didnt with a strong clear tone and numbers of 38 to 44. The 11 coil had fading tones, hit and miss and various numbers from 38 to 70 I have to now figure out how to test the same in some hot ground, changing depth not the coil. After doing this I feel more comfortable with the small coil. Matt T [/QUOTE]
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Metal Detectors
Garrett
Garrett AT Max information and questions
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