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TDI VS GS 5C

Would like to knw the answer myself, I'm gonna have my GS5 modded to a GS5C by Eric lter this month I hope. I'm not sure that the TDI will out perform the GS5, but I don't think it will be any worse either, I'll watch this space with interest
 
Hi Guys,

This is a hard question to answer since I have a GS 5 modified to be almost like the GS 5C and I have the TDI. As for the general sensitivity I doubt you will see too much difference between the two units. The reason this is true is the TDI is based upon the GS 5 design, so there are a lot of similarities.

The GS 5 does have a few more features not found on the TDI which do enhance the detector. So, there is some edge to the GS 5 in that respect. Also, there is some slight difference in characteristics and how they operate, but this is more of a personal issue than a specific depth issue.

In any case, one can sort of think of the GS 5C is a deluxe model and the TDI as the standard version with a little extra versatility built into the GS 5C. Also, keep in mind that the GS 5C should be considered a hand crafted unit which can make a difference. It is sort of like a Ford versus the Lincoln or a Chevy against the Cadillac. Both will do the job at hand.

So, I suspect one would be happy with either unit. The key to either one is fully learn the features and how best to use them. If two units were to be tested by different operators, I suspect the key factor in which is best would be more along the lines of which is the best of the two operators.

Reg
 
So are you saying the GS5C is also a discriminating PI detector?

Following is a response by Mr. Bill to a post seeking a comparison between the TDI and new Whites PI Pro Dual.Personally I don't know the answer.


"The TDI would blow it away in every aspects except being waterproof. The TDI is more sensitive, and considerly more powerful in the transmitter department. Oh did I forget to mention, it's the worlds first discriminating PI detector.

The Dual Field is still the old Surfmaster PI, Surfmaster PI Pro, modified.

And to finish this off, No, I am not a Whites dealer. I have no financial gain from the sale of either unit."
 
Hi El,

I am not sure how to answer your question as to whether the GS 5 or the TDI is a discriminating detector. Both of these detectors are PI's that have certain characteristics built in that allow for a level of discrimination of objects, depending upon how they are used. So, yes, they have a level of discrimination capability.

They are not discriminating detectors like those found in the VLF series. Instead, the TDI and the GS 5 both have features that allow a level of discrimination, depending upon just how they are adjusted. As an example, lets say you want to hunt for copper and silver coins. You can adjust the ground balance such that most iron or ferrous objects generate a high tone while copper, silver and other higher conductor objects create a low tone. Using this technique and selecting low tone only (high conductor) will allow an operator to ignore most ferrous objects while still detecting copper and silver items. This feature works quite well.

A person can't simply look at a meter, or adjust any control to easily ignore any particular object like you can on a VLF, but there is a level of rejection that can be done. Normally, when searching for copper and silver coins, you will dig a certain number of screwcaps and some other junk that is considered a high conductive object, but normally, you will dig very little other trash such as nails, foil, etc. Large iron objects will give an overload signal, but are easily recognized with practice.

I, personally, have used this high conductor mode in parks and had great success finding coins while digging little junk. Fortunately, where I hunt the ground is bad so VLF's do not get the greatest depth. Thus, I find a lot of the deeper coins using either the TDI or the GS 5 at these sites. I suspect if the ground was very mild, I wouldn't be as successful, but do not know for sure.

So, to best describe the discrimination feature, it works but not like anything you have used before. It is also works best when hunting for high conductive objects such as silver and copper coins. The discrimination feature does not work as well when trying to separate out low conductors such as gold or gold rings from other objects. When in the low conductor mode, it is much more difficult to separate out the iron trash. In some case, it is almost impossible.

The best way to know for sure just how this detector works is to try to find someone who has one and is familiar with the controls and have them show you what it can do and not do.

I suspect that experienced PI users will like the added features, but experience VLF users will be confused initially and may be disappointed if they are expecting a sophisticated level of discrimination. There is no sophisticated level of discrimination like that found on many VLF's. However, there is a lot more discrimination ability on the TDI or the GS 5 than found on most PI's.

Reg
 
it's still a discriminating detector. :) If one can set it to ignore iron, and find silver coins, isn't that discrimination ? :shrug:

Your absoultly correct, it does not act like a VLF unit. Anyone looking to purchase such a PI, should understand it does not replace a discriminating VLF detector. It's just a newer designed tool for your tool box.:super:

Now if I can only get to the beach to use my unit. :rofl:
 
rgalan2003 said:
About depth penetration for a medium gold ring,which is the best in the beach?I konw, It is a hard question
Rafael

I have a GOLDSCAN 5C and what i have is a COILTEK .... RIPPER 11" salt coil... it is the best for beach hunting it will cancel out most all electrical interference and it hunts DEEP
 
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