Topic of discussion some time ago was a realistic question, why haven’t any detector companies progressed with a machine that would be equivalent to today’s technology, lacking to be honest. Yes cost of making or selling a machine is relavent but seriously all these electronics , computers and this is the best to offer, simply not adding up. We are not further along as we should be. Your answer is.
Analysis of metals is obviously much more demanding than what many of us understand. It would be ideal if metals we are scanning with our MDs would be in isolated elemental form instead of alloys of many metals with a highly variable ground substrate. Even when a metallic sample is isolated, it takes an advanced dedicated machine for identification. see https://www.sigmametalytics.com/purchase/pmv-pro-withextbridge-description.html Note that sensors have to contact the material with several other requirements. More advanced metal analysis is via optical emission spectrography (OES), inductively coupled plasma (ICP) wet chemical testing and Leco gas analyzers. See http://www.msitesting.com/metal-chemical-analysis.html
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I believe we are blessed with advanced technology provided at a reasonable price point by our U.S. MD manufacturers, and that we need to improve our research and equipment skills to fully utilize that technology.
I've been on and off the detector since I bought my Eagle Stectrum in 1995?.....so roughly 22 years. I didn't keep up with what stuff was current, just don't really care.
Time went by, and I've slid back into more detecting. This past summer I wanted a new detector. Mostly figuring I could find a waterproof unit with a longer lasting battery.
I figured I would be amazed by the advances made in the last 20 years.....
I bought an Equinox 600, the best bang for my buck really, and I'm perfectly happy with it.
I was surprised and kind and let down. I didn't really have anything for expectations, but I expected more. I've thought of functionality improvements, and wondered why they weren't on this(or the 800). Like simple Android/Iphone GPS integration, or datalogging.
Not much has changed, except what I knew would. Smaller, lighter, better batteries, Bluetooth audio, slightly more tuning, slightly more depth, somewhat better discrimination and performance. Though all those were inevitable, and really not all that impressive.
But then again, like a few said, this tool can only advance SO far. I mean a hammer hasn't evolved much in a VERY long time, simply because it doesn't need to.
ETA: In all honesty, the best advancement I can think of in 20 years is a seperate pinpointer.
All quiet on the home front no more guns a firing from the range, boy they really get it going at times, I swear there are times I think the north and the south are reinacting the war but heck you never no real from acting. Have a good day gotta go to job but I will be back unless the cannon balls destroyed my house when I come back, lol