Help on a concentric plate!!!

[etznab]

A two channels o-scope will definitely make it easier. However, some ppl use a multimeter to measure the amplifier's voltage. For example (pin 3 of U1 in IDX Pro should read in between 200 to 400 mV) in AC I think. Not sure what the voltage value should be in the metal detector you are building.

I maked a PI Polones (AVT–5196). I upload some attachments

I dont have oscilloscope.

Thanks

[Nightryder]

I downloaded the pdf. I have a doubt regarding what I read in the document. where it says the following: " Move the loop around to get a good null" . What is he referring to?. I need a osciloscope to make this?. Is there another way to do it without an oscilloscope?

Thanks

A two channels o-scope will definitely make it easier. However, some ppl use a multimeter to measure the amplifier's voltage. For example (pin 3 of U1 in IDX Pro should read in between 200 to 400 mV) in AC I think. Not sure what the voltage value should be in the metal detector you are building.

[etznab]

Are you looking for general information on how to build a concentric search coil? If so, try this:

https://www.geotech1.com/cgi-bin/pag...anar/index.dat

Or, are you looking for information specific to TGSL coil parameters? If so, do a forum search on "TGSL coil", the info should be somewhere, I'm just not sure where.

Edit: George's link should have it.

I downloaded the pdf. I have a doubt regarding what I read in the document. where it says the following: " Move the loop around to get a good null" . What is he referring to?. I need a osciloscope to make this?. Is there another way to do it without an oscilloscope?

Thanks

[Oscar Yasinski]

Thank you very much, my knowledge told me that they could be similar.

[waltr]

Check Don's web site for specifics on building coils for the TGSL. Should be very close or the same for the Golden Sabre.

https://sites.google.com/site/dbcoilshells/home

[Oscar Yasinski]

I'm actually looking for more specific information. I need information to build a concentric coil for Golden Saber 2

[Carl-NC]

Are you looking for general information on how to build a concentric search coil? If so, try this:

https://www.geotech1.com/cgi-bin/pages/common/index.pl?page=metdet&file=/projects/coplanar/index.dat

Or, are you looking for information specific to TGSL coil parameters? If so, do a forum search on "TGSL coil", the info should be somewhere, I'm just not sure where.

Edit: George's link should have it.

[Qiaozhi]

Hello friends of Geotech.


This is the first time I post in the forums and since my English skills are zero, I use the google translator!!!


Some time ago I saw a post on the forum about a concentric plate, I think it was TGSL. I would like information on how to build it.


To mount it on a GOLDEN SABER.


Thank you

Is this what you're looking for?
TGSL - Complete Details

[Oscar Yasinski]

Hello friends of Geotech.


This is the first time I post in the forums and since my English skills are zero, I use the google translator!!!


Some time ago I saw a post on the forum about a concentric plate, I think it was TGSL. I would like information on how to build it.


To mount it on a GOLDEN SABER.


Thank you