Steve Herschbach Posted July 18, 2014 Share Posted July 18, 2014 From the Minelab Knowledge Base at http://www.minelab.com/__files/f/240330/KBA_23-1%20MPF%20Technology.pdf Minelab’s SDC 2300 gold detector uses Multi Period Fast (MPF) Pulse Induction (PI) technology to give significant performance improvements over conventional PI metal detectors, for gold prospecting in mineralised ground. In this article, the inventor of MPF, Bruce Candy, explains further how the SDC 2300 works. "You will find more small nuggets and fine-threaded specimen gold in mineralised soils with the SDC 2300 than any other gold detector, including the GPX 5000.” –Bruce Candy Link to comment Share on other sites More sharing options...
Shelton Posted July 18, 2014 Share Posted July 18, 2014 So the respond is faster... faster respond mean more precison isn't it? Link to comment Share on other sites More sharing options...
Ken Walls Posted July 18, 2014 Share Posted July 18, 2014 Should make it more sensitive. Link to comment Share on other sites More sharing options...
GoldenShowered Posted July 31, 2014 Share Posted July 31, 2014 Sounds interesting. I get why the fast turn off time could really help for finding small gold but Steve, can you see any reason why this would hurt the big target signals, or would it be just as good on bigger targets (within its limits, as set by the fixed coil etc.)? Link to comment Share on other sites More sharing options...
Steve Herschbach Posted August 1, 2014 Author Share Posted August 1, 2014 The main issue would be enhanced sensitivity to ground minerals and hot rocks, which Minelab appears to be handling somewhat by using a lower power circuit than that on the GPX 5000 and using a version of Fine Gold / Enhance timings. The SDC does not have near the punch on larger targets as my GPX 5000 with 8" Commander coil especially when run in Normal or Sharp timings. Link to comment Share on other sites More sharing options...
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