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Strange mineralization problem

M

MXTerer

New member
I am on my third or fourth Xterra now. I would buy then sell looking for something better. Now I realize there isn't any I like better than this and my CTX. Anyway-to my problem......
On my previous Xterras with any coils, the ground readings would be low to moderate-20's to 30's. But with my new Xterra the ground reads much better, 40's and 50's. Same area hunted with all detectors, all in tracking mode on. Kind of baffling. Any ideas?
 
Are you comparing all with 7.5kHz stock concentric coils?
 
They updated the VFLEX technology a couple months ago, as indicated in the post referring to the use of aftermarket coils. http://www.findmall.com/read.php?55,1715368,1715368#msg-1715368 So if you just bought this one and is is one of the newer models, that could be the reason. I certainly can't swear to it as I don't know what the update entailed. But if it has to do with the communication between the control housing and the coils, it seems logical to me. JMHO HH Randy
 
Digger said:
They updated the VFLEX technology a couple months ago, as indicated in the post referring to the use of aftermarket coils. http://www.findmall.com/read.php?55,1715368,1715368#msg-1715368 So if you just bought this one and is is one of the newer models, that could be the reason. I certainly can't swear to it as I don't know what the update entailed. But if it has to do with the communication between the control housing and the coils, it seems logical to me. JMHO HH Randy
Click to expand...

When did the update occur? I just bought my 705 new in may or june!
And why would the mineralization read different from coil to coil or does it?
 
The link I provided to Minelab's website is dated. As to when your detector was manufactured, you'll have to contact your dealer or Minelab and give them the serial number.
The ground phase number on the X-TERRA does not tell you the level of mineralization. It is a number that correlates with a setting required to neutralize the effects of mineralization at that specific location, using that particular coil. DD coils, by design, will perform better than concentric coils in mineralized soil. Therefore, DD coils require less "compensation" from the electronics of the X-TERRA to achieve the optimum ground phase, compared to concentrics. You will also find a difference in the ground phase setting required of large coils compared to small coils, due to the amount of soil being analyzed at any one time. And I've also noticed a slight variation between the various frequencies of similar coils. JMHO HH Randy
 
Wow learning something new everyday thanks digger.
 
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