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Ferrous Objects Question
Posted by: Howard Snell
Date: September 16, 2012 08:33AM
I have a Garret AT Pro and as allot of you know it gives me conductivity numbers on the target. I notice on the higher end minelabs you get a ferrous and conductivity number for example on the CTX what does the Ferrous readout actually refer too?

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Re: Ferrous Objects Question
Posted by: mtwolf2270
Date: September 16, 2012 06:24PM
Basically non conductive targets iron like . It is reallyis not reading iron you can think of the ferrous or fe and conductive co as points on a grid like cordinates x and y where the fall for example a wheat would fall in 12 fe an 39-41 co the range. The co numbers are what we really watch for coins and silver jewerly . Gold can fall anywhere on the grid this is a basic explanation hope it helps

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Re: Ferrous Objects Question
Posted by: hershey1
Date: September 16, 2012 07:59PM
Ferrous usually refers to iron by itself or a combination of metals that have a magnetic value but not always example: ( an iron bolt with a stainless nut ). Non-Ferrous targets like gold or silver usually do not contain any magnetic properties but not always. I don't know if this is the answer you are looking for if not I'm sure someone else will chime in. HH :minelab:

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Re: Ferrous Objects Question
Posted by: Confused
Date: September 17, 2012 09:52AM
Quote
mtwolf2270
Basically non conductive targets iron like . It is reallyis not reading iron you can think of the ferrous or fe and conductive co as points on a grid like cordinates x and y where the fall for example a wheat would fall in 12 fe an 39-41 co the range. The co numbers are what we really watch for coins and silver jewerly . Gold can fall anywhere on the grid this is a basic explanation hope it helps

Mtwolf, I am also new at this and you mentioned that gold can fall all over the place. Should I be digging 1.35s and 8.30s? I found a gold ring @ 12.12-13. Am I missing all the rest?

Thanks for your help, Rod

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Re: Ferrous Objects Question
Posted by: Larry (IL)
Date: September 17, 2012 10:15AM
I think he meant all over the CO line. Gold jewelry should stick pretty close to the 12 line but can be anywhere along CO from 1 to 35 depending on mass and purity.


Bells and whistles are nice, but nothing will substitute for the basic understanding of the hobby.

:minelab: CTX 3030, :whites: V3i, :whites: Pro XL :whites: M6 W/Bigfoot coil, :tesoro: Cibola/modified

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Re: Ferrous Objects Question
Posted by: Confused
Date: September 17, 2012 10:31AM
OOOOHHHH, ok. That makes sense. Thanks

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