Allodium,Interesting. There are three possibilities.1) It is not needed and can be omitted.2) It is needed and there is a mistake on the circuit. i’m sorryi dont underestand english goodi try speak to you1. can i use instrumentation Amp Amplifier Instead Of UA 2. the piezo is not work3. does any one made complete goldscan IV PI metal detector?is it stable?what about the depth?what about the operating frequency?what about.
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General Prospecting Supplies Page. A Goldscqn battery pack replaced the old heavy, separate battery box and power cord and a pigtail with headphone connector. Please put it in a waterproof case TerryinHawaii Date: Please put it in a waterproof case TJ Date: The auto circuit wants to “tune into” the gold.
I think Reg should be given credit for his pioneering work in adapting the earlier models for use out West and last,but not least, Bill Crabtree has always been willing to give a helping hand and service as your dealer in the US.
One can truly appreciate Eric’s intellect when they fully examine on a technical level, this PI and the features it had. Despite what many manufacturers claim PI units ARE affected by ground conditions, and so ground balancing capability if desirable for best perormance in a gold nugget detector. There are areas over here in Hawaii that have a lot of hot rocks. Fault protection is ggoldscan means of a fuse on the battery unit.
Pulse Technology Goldscan 4
Switch over to the Probe to quickly locate a find in a dug hole or to probe between rocks and large stones. Reg is truely one of a kind. May 21, May 22, To re charge using the mains charger requires 12 – 14 hours. Mother lode in CA. It about as light as goldscann typical Tesoro. Can the goldscan IV be optimised to the same degree of sensitivity as the goldquest SS? After digging these up for over an hour. This was built originally by you. The bottom 9″ of the lower shaft lv of rigid plastic material to avoid excessive signal levels due to the proximity of shaft and loop.
The unknown model before the GS5. Hi Dom, Congratulation for your work with Goldsan 4. Hi Eric, I want one to but in a waterproof case. Newer Topic Older Topic. Bill is also quick to help anyone and provide a wealth of info also.
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But most of the newer PI’s don’t. It is very sensitive and very deep. Maybe it is alot harder to build them with ground balance?
This is sufficient for the detector to be placed gpldscan the ground while the user is standing upright and digging with a full size spade As the phones plug into the battery box these do goldscah have to be removed while digging. Hi Andrew, The Goldscan IV has a manual ground balance circuit, however it cannot be easily adapted to run at the same sensitivity as the Goldquest SS. Without Eric’s help, and willingness to share his wealth of knowledge, I would still be struggling with the basics of a PI.
However, even with the mentioned changes, the original GS still will not compare to the new GS 5. Hope the GS5 is a big hit!!! In clear uncluttered areas the 11 ” coil can be used on the beach to achieve maximum depth performance.
The GS has variable Pulse Delay. Just think the new GS5 is even better!!!
REG GoldScan Model 4 1/2
Please put it in a waterproof case. Thanks for clearing that up for me Terry as i had visions of a real prospecting paradise forming in the greymatter and who would prospect in a desert when when beautiful islands beckon lol. The cells are charged in situ by plugging the charger output jack into the headphone socket. Personally, a manual ground balance is just fine by me. I think judging by the number of interested Aussies on this forum, there are quite a few of us that refuse to pay Minelab’s exhorbitant prices.
Hi Beach Bum, Right you are May 27, Loops and probe are fully water proof and can be submerged. For further assistance Contact: The battery pack can be replaced easily by the user.
If we a re willing to make a deposit up front we could get the “Introductory Price” and those that wait pay the “Regular Price”. Since the board has been slow lately, here is something to look at! Cheers Tony Reply Quote. To Have Salesperson Contact me. That’s why my preference is manual ground balance with optional automatic, or manual only.