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Offline darkkitten2000
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« Reply #70 on: March 02, 2010, 02:25:50 pm »
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No problem, i'll sell it as antique some day.....  Grin Grin


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Offline wil
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« Reply #71 on: March 02, 2010, 02:42:26 pm »
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Xavier, what makes the DBP2010 so good, is it that large power transistor that allows max current to flow to the coil? that thing must eat up batteries fast. Does anyone know what the current draw is?

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Offline darkkitten2000
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« Reply #72 on: March 03, 2010, 01:48:40 am »
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Hi,
i wrote a short description of DBP2010 on my page

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http://freeweb.siol.net/dzajec28
under PI devices.

d.


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« Reply #73 on: March 03, 2010, 04:45:14 am »
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Hi Wil

You should have about 4h of autonomy with a 2AH battery if not more I use a 2.6AH battery on my MD the problem with the larger batteries is the weight but that can be over come with a small back pack just wrap the battery in some foam (for comfort) and have the back pack nice and tight (snug fit) so that when you bend down it dose not slide from side to side. I have been looking at mounting a small solar panel on the back pack but as I do not have all the info yet I can?t tell you if it will be of any use. Remember that it is better to have less autonomy and better finds than lots of autonomy and no finds.

Regards Xavier


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« Reply #74 on: March 03, 2010, 06:44:29 am »
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yeah, Xavier words of wisdom. It is better to use  a deep seeking PI that eats up batteries fast, and find deep metal objects that youwould have passed over with a weaker machine.better efficiency. I inderstand that if you carry most or all of the electronics, battery etc. on a small neck harness or back pack , you can make the search head much lighter. If you put it all on a single MD'er, after the first few times MDing, your arm gets  sore from swinging a heavy MD back and forth. After reading the others discussion, I am leaning towoerd the DP2010. The only reason I hesitate is the small daughterboard that must connect by headerpins or whatever. from my experience in electronics, it is always better to have one well layed out board than having a sub-board dangling off the main board. just anotherthing to loosen, and give you trouble.

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« Reply #75 on: March 03, 2010, 06:46:55 am »
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this is a good panel..can be hanged on backpack..give 13.6v 450mAh
i had mine for 5 years and it is awsome

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« Reply #76 on: March 03, 2010, 09:07:45 am »
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Hi wil,
what makes DBP2010 so good is sensitive amplifier/integrator circuit whic is using narrow filter to impruve signal/noise ratio and enables higher amplification of the signal. DBP uses about 0.3 J of energy per pulse. Miner4 takes diffrent approach to obtain similar results; with 10 J of energy per puse it uses raw power. Non the less this brings some differences between the machines (other than rapid battery depletion). Miner4 is better for small items, it will perform better in heavy or weat well conductive soil where energy desipiation is rather high. The DBP2010 will go deeper in dry/carbonate and less conductive soil. Miner's digital data processing and planty of enery to desipiate enables to search for targets hidden beneath the conductive target (ie concret metal net), size exclusion etc.

hope this helps,
d. 

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« Reply #77 on: March 03, 2010, 09:51:08 am »
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Hi Wil

The piggy back board is actually soldered in place so there should be no problem with it even in a long run as it is not subject to heavy vibrations and due to the fact that it is small and very light.   

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« Reply #78 on: March 03, 2010, 03:37:49 pm »
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Hello darkkitten. Was whether done a testing DBP 2010 in areas with a slight mineralization, or only in air?
Due  significant sensitivity a ground influence may become high. Have You pics of time diagram for deep detaction?
Regards, Sasha.

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« Reply #79 on: March 03, 2010, 04:09:20 pm »
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Quote:Posted by Tuxnor
this is a good panel..can be hanged on backpack..give 13.6v 450mAh
i had mine for 5 years and it is awsome


I used one sorta like that for my Gold Magic pan.

When I was not using it for that I used it to keep The Van Batteries up.

I had inverters to work the small TV and other sissy stuff we had.


There's not much you can do with 110 that you can't do with 12V....

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