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KT, I know that the Gold Bug Pro has been counterfeited by the Chinese. That doesn't mean that Riss' 5" coil is a Chinese copy. Maybe it is, and maybe the shield has come loose and he is seeing a capacitive effect. But body salt is still a real phenomenon and a plausible explanation.
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Yes indeed, the KT315 is right, the first series of Chinese detectors, as well as a copy of the renowned brands; were very bad.
Everything that KT315 listed is correct.
But in the last couple of years the situation has changed drastically.
The current copies they sell are of excellent quality.
I had a few copies last year bought on Aliexpress at ridiculous prices.
They all worked fantastically well! I was delighted!
It seems that the Chinese are monitoring the reviews and general opinion on forums and among customers and correcting things in the meantime.
Before last winter I had two Chinese copies of the Fisher Gold Bug Pro detector. I was fascinated by how well it worked and how well it was made.
A little later I also received a copy of the Minelab X-Terra detector. The experience was the same, well done and works great.
My story about the vet and the cows is true.
I don't have the slightest reason to make things up.
Living tissue is an excellent medium for metal detectors.
It's like it "amplifies" the signal.
...
Carl! What's new "cooking" in the FT kitchen? Give us some information!
Share a little crumbs with the poor!
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I have a Tek G2 with a 5" coil, same design as a Gold Bug Pro. All known to be from the El Paso factory. It does exactly what Riss describes, it detects the palm of my hand but not my fingers. If I turn the discrimination up just past foil, it no longer detects my hand.Comment
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Impulse Gold, no other comment.Comment
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ok. i did not notice this word in first his post. my mistake.
I repaired a probe (5" ) for Fisher Gold Bug pro
repaired. this is clear clue, for me. Riss simply doesn't understand a role of ESFI protection and does not see the wires to graphite layers. did not notice.
ok Riss. now i ask you to give photos on every stage of the repair.Comment
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I did not expect so many opinions in such a short time... in the Russian books - textbooks for geophysicists - electrical research (Электроразведка ) , which I read 20 years ago, it is written that the only cure for high conductivity of the surface soil layers is a possible lower operating frequency. The textbooks are filled with a dizzying amount of mathematical formulas and calculations, graphs and diagrams. There is no logic that body salt improves the depth of detection - quite the opposite... According to the probe manufacturer for the company Golden Mask, they tried a wide range of conductivity of the graphite electrostatic coating, but there is no escape from this effect. I always check the graphite coating - sometimes with fresh, flexible wet grass. The experiments were with a perfectly working probe with good shielding. I couldn't find a serial number anywhere, but I haven't taken it apart to look at the board ( PCB ). But the bolt with which the armrest is tightened has a standard European thread - 4 mm diameter. I would compare the depth of detection in a live and a dead cow, for example. It also seems to me that the reaction of the palm is better on the side with dactyloscopic lines .
kt 315 - Sorry, the probe had a break in one green unshielded wire, led to pin number 3 (TX coil ) .the break was in the area of the sleeve (muff ) , I shortened the cable by about 4 centimeters .before the final gluing of the bottom cover, I glued with a terrible polyurethane based glue 1.5 mm glass textolite with a diameter 3 mm larger than that of the cover (the glass textolite became the bottom and rubs against the stones) , and peripherally I glued 2 layers of inner bicycle tire, because the owner was rubbing the probe on the river stones. The probe became like a tank (armored) ... but the effect before and after the "armoring" did not change, of course ... the wire to the graphite screen was very rough and thick - 2mm with the insulation
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But the bolt with which the armrest is tightened has a standard European thread - 4 mm diameter
learn also a bolt with which the coil is tightened. chineses use EU metric, yes, at Ali they sell inch dies and taps too. i bought same dies.Comment
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