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Do you have the "Digital Mode" Values for metals.....:shrug::huh::wacko::minelab:
- Thread starter OscarSE
- Start date
dewcon4414
Well-known member
Back in March 09 Magic man did a post giving those digital readings. You should be able to find that.
Dew
Dew
http://www.findmall.com/read.php?63,820520
Oscar, I think you are under the mistaken notion that the detector's TID readings are somehow able to tell us what type of metal it's going over? That is not the case. It's only reading conductivity, not composition. And you're going to be in for a rude awakening that a lot of metals share the same TIDs (given their commensurate size). And beyond that, size itself plays a big role in the resulting TIDs.
Here's an example, which applies to every other metal as well: Take a pulltab (or small snippet from an aluminum can). Wave it in front of your coil and you may get a tab type TID range signal, right? Now take an ENTIRE aluminum can and wave it in front of your coil. You will find that the entire aluminum can reads probably somewhere up at penny or quarter or whatever, right? But why? The composition of each target hasn't changed. It's still aluminum in each case, right? So you see that size plays into the net TID reading too.
Here's an example, which applies to every other metal as well: Take a pulltab (or small snippet from an aluminum can). Wave it in front of your coil and you may get a tab type TID range signal, right? Now take an ENTIRE aluminum can and wave it in front of your coil. You will find that the entire aluminum can reads probably somewhere up at penny or quarter or whatever, right? But why? The composition of each target hasn't changed. It's still aluminum in each case, right? So you see that size plays into the net TID reading too.