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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The unknown model before the GS5. I am sure others can say the same.

Terry in Hawaii Reply Quote. Can the goldscan IV be optimised to the same degree of sensitivity as the goldquest SS?

Considering this original design is between 10 and 20 years old, one and only wonder what this PI would have evolved into if it had continued.

This was built originally by you. Both loop sizes incorporate a double electrostatic shield to eliminate capacitive effects on a wet beach.

REG GoldScan Model 4 1/2

If the ground is strongly iron mineralised the Ground CANcelling facility can be brought into play while areas contaminated with much metallic iron can benefit from the use of the SELect 1 switch position. Please put it in a waterproof case TJ Date: Hope the GS5 is a big hit!!!

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There seem to be few situations where you really need automatic ground balancing in a PI unit, and it usually sacrifices a tad on sensitivity.

It is very sensitive and very deep. Loop connectors are sealed weatherproof types. Hi Beach Bum, Right you are That’s why my preference is manual ground balance with optional automatic, or manual only. May 21, May 23, I would ground balance to the hot rocks. To re charge using the mains charger requires 12 – 14 hours.

Despite what many manufacturers claim PI units Glldscan affected by ground conditions, and so ground balancing capability if desirable for best perormance in a gold nugget detector.

The headphones plug into a jack socket on the battery box and a unique sensing circuit cuts out the speaker in the main electronics when the plug is inserted.

In clear uncluttered areas the 11 ” coil can be used on the beach to achieve maximum depth performance. Newer Topic Goldscaj Topic.


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The charge is usually zero!!! The printed circuit boards are computer designed to give maximum reliability and miniaturisation.

Salt water does not affect performance so the Ground CANcelling facility is not required. The shaft consists of a lightweight anodised aluminium armsaver assembly which is adjustable in goldscam by means of a locking telescopic collar.

Pulse Technology Goldscan 4

Some of the features built into this new GS 5 model are really quite unique. Just tell us what kind of preproduction deposit you would need.

For further assistance Contact: The GS has variable Goldscsn Delay. Mother lode in CA. The cells are charged in situ by plugging the charger output jack into the headphone socket. Bill is also quick to help anyone and provide a wealth of info also. Shaft mounted electronics plus 11″ search loop 3.