doing some TID tests

Only for the discussion of the Deus Metal Detector.
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targets
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doing some TID tests

Post by targets » Sat Feb 09, 2019 2:59 pm

i was just checking the deus with some samples of metals and got some results to share
in air tests

scrunched up 9ct gold chains in a bundle get a TID of 00 -, 06 .so no wonder few chains are found as theyre seen as iron and rejected

a big pile of old bronze pennys can be in the 95 s same as silver coins

high quality gold leaf in wads of 22 - 23 ct sheets can be 26 27 28 or 29 ,30

9ct rings are around the 40s to 50s

tones were not noticed just TIDs


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Re: doing some TID tests

Post by thefiggis » Sat Feb 09, 2019 3:13 pm

Thanks for that ::g

Which programme were you running? Numbers fluctuate between programmes unless you standardise them (or whatever it's called) across the board.
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Re: doing some TID tests

Post by targets » Sat Feb 09, 2019 4:12 pm

i varied the progs so had to come up with an average which is about right for the numbers shown

minor variations esp on gold progs
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Re: doing some TID tests

Post by Buriedbytime&dust » Sat Feb 09, 2019 5:12 pm

thefiggis wrote:
Sat Feb 09, 2019 3:13 pm
Thanks for that ::g

Which programme were you running? Numbers fluctuate between programmes unless you standardise them (or whatever it's called) across the board.

ID Norm, which makes the VDIs of all frequencies the same as 18kHz ::g

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Re: doing some TID tests

Post by thefiggis » Sat Feb 09, 2019 5:17 pm

That's the fellah! ::g (I rarely if ever mess about with my settings so ain't oh-fay with the terminology. Even if I tried I'd have forgotten it ten minutes later, so don't bother.)
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Re: doing some TID tests

Post by targets » Mon Feb 25, 2019 10:28 pm

i had a sig of 00 to 06 sunday but it was just a rusty nail as usual no gold chains rl; always hopefull
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Re: doing some TID tests

Post by Oxgirl36 » Mon Feb 25, 2019 11:10 pm

I was digging some 45 ish signals with a vertical (coke) line on saturday and the target on one was a copper alloy buckle fragment and another a pewter button :-/ But they gave a nice sound. Lead can come in 50s to high 80s too.

Solid 24ct gold coins come in mid 80s but small/ lower carat gold comes in mid 30s :-L

Basically the numbers don’t always tell you what to dig, or what it’ll be. Silver though is always 66-72 in my experience :D
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Re: doing some TID tests

Post by Easylife » Tue Feb 26, 2019 12:02 am

Oxgirl36 wrote:
Mon Feb 25, 2019 11:10 pm
Silver though is always 66-72 in my experience :D
Until you find a gothic florin which will read about 94. :D ::g
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Re: doing some TID tests

Post by Junior » Tue Feb 26, 2019 7:10 am

In the 5 yrs I've had it now carnt say I've had anything good under 30 ...might just b the rubbish land I go or the played out rally land digs I go on....is there any coinage that comes in under 30 as I havnt walked over it yet ....hammies I've had go from late 30s up to early 80s ..... cheers ::g

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Re: doing some TID tests

Post by fred » Tue Feb 26, 2019 8:12 am

Anything can come in almost anywhere, or even nowhere, depending on more factors than you can shake a stick at! The discrepancies between different machines and even programmes is also quite frightening. :D

I have said it before but I think that in the case of marginal signals TIDs should never be relied on to decide what to dig. TIDs, along with experience and anything else useful that is available, should only be used to help to decide when not to dig. ::g
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Re: doing some TID tests

Post by targets » Tue Feb 26, 2019 3:32 pm

if an item is at depth the TID can be all over the place

i had a nice sig in 90s which i was sure was silver but was a steel billhook of not very old manufacture

stainless steel bolts and washers gives readings in 90s

a flat button of silver plated steel core was a good sig at 12 inches
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Re: doing some TID tests

Post by littleboot » Tue Feb 26, 2019 4:12 pm

Ixoye wrote:
Tue Feb 26, 2019 12:44 pm
So what your saying fred is run the £1400 machine in all metal, have remote in your pocket and dig everything that beeps.
Might as well save £1100 and buy a lobo
:))
Except he didn't say any of that. :D What he was saying...and any detectorist running anything and who knows what they are doing....is that numbers often mislead and it is the sound that really is key. If its a good dig-able signal then dig it even if the numbers may lead you to assume its no good. Same goes for a 'just the dig-able side of iffy' signal come to that.
Which is, of course, a whole lot different than 'dig anything that beeps'.
The better the machine, the sounds are more reliable at deeper levels and on difficult ground. :) That's the benefit. NOT the fact you think you can save yourself from digging a few extra holes.
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Re: doing some TID tests

Post by fred » Tue Feb 26, 2019 6:19 pm

littleboot wrote:
Tue Feb 26, 2019 4:12 pm
Ixoye wrote:
Tue Feb 26, 2019 12:44 pm
So what your saying fred is run the £1400 machine in all metal, have remote in your pocket and dig everything that beeps.
Might as well save £1100 and buy a lobo
:))
Except he didn't say any of that. :D What he was saying...and any detectorist running anything and who knows what they are doing....is that numbers often mislead and it is the sound that really is key. If its a good dig-able signal then dig it even if the numbers may lead you to assume its no good. Same goes for a 'just the dig-able side of iffy' signal come to that.
Which is, of course, a whole lot different than 'dig anything that beeps'.
The better the machine, the sounds are more reliable at deeper levels and on difficult ground. :) That's the benefit. NOT the fact you think you can save yourself from digging a few extra holes.

Exactly what littleboot said! :)
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Re: doing some TID tests

Post by fred » Tue Feb 26, 2019 6:45 pm

Ixoye wrote:
Tue Feb 26, 2019 6:40 pm
:)) ::g

I don’t think littleboot really had to explain though Fred -=+:-P

Sorry. Humour chip failure! :D
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Re: doing some TID tests

Post by Oxgirl36 » Tue Feb 26, 2019 7:39 pm

Please can I ask that comments on here don’t bring in TID numbers on other machines as it’s going to be confusing for Deus owners. If it was a general discussion then we’d say ‘fill your boots’ but it ain’t as it’s in the Deus section.

Reluctantly I need to remove a couple of posts. Sorry gentlemen ;f
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Re: doing some TID tests

Post by fred » Tue Feb 26, 2019 10:58 pm

Oxgirl36 wrote:
Tue Feb 26, 2019 7:39 pm
Please can I ask that comments on here don’t bring in TID numbers on other machines as it’s going to be confusing for Deus owners. If it was a general discussion then we’d say ‘fill your boots’ but it ain’t as it’s in the Deus section.

Reluctantly I need to remove a couple of posts. Sorry gentlemen ;f

I suspected that I would fall foul of the rules over mine. :D
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Re: doing some TID tests

Post by Buriedbytime&dust » Wed Feb 27, 2019 12:22 pm

Ixoye wrote:
Wed Feb 27, 2019 5:42 am
The percentage of good finds that give no or a poor tid reading must be .1%
I’d rather keep searching for better targets than spend any time digging those, the ground can keep them for the time being .

I love the tiny little squeaks with no VDI numbers, and they produce good finds for me quite often.

I recently posted a Saxon florid cruciform knop on here, and that produced exactly that kind of signal. Weak, with a hint of iron, and no numbers. I'm certainly glad I didn't walk away from it :)

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Re: doing some TID tests

Post by littleboot » Wed Feb 27, 2019 5:13 pm

Ixoye wrote:
Wed Feb 27, 2019 5:42 am
The percentage of good finds that give no or a poor tid reading must be .1%
I’d rather keep searching for better targets than spend any time digging those, the ground can keep them for the time being .
How do you know? :D
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Re: doing some TID tests

Post by Phil2401 » Wed Feb 27, 2019 6:07 pm

Is it relevant to ask which version of the software we are talking about? Personally I'm still happy with v3.2 - haven't yet felt the need to try the latest versions - if I get interesting sounds I dig it - regardless of TID. I dig lots of rubbish (good exercise) but my best finds have been from 'iffy' but interesting audio signals, not from what the screen suggests.

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