Gold Fish 3 Deepmax

GOLD FISH 3 DEEPMAX professional series detectors are used to detect single coins, buried caches, and hidden gold and silver treasures at incredible depths.

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935,00 € tax incl.


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GOLD FISH 3 DEEPMAX professional series detectors are used to detect single coins, buried caches, and hidden gold and silver treasures at incredible depths. GOLD FISH 3 DEEPMAX 3 system is deep searching metal detector, that is easy to use. After setting a few controls to the factory recommended settings you set the threshold level and start scanning.

GOLD FISH 3 DEEPMAX detectors ignores practically all types of ground minerals. Pulse induction detectors are capable of detecting coins, gold, silver, brass, bronze and larger targets to extreme depths. Metal detector is pulse intermittent transmission type.

•    Highly sensitive to all kinds of metals
•    Stable operation over mineralized ground and salt water
•    Reliable / simple operation
•    Effective detection of large areas
•    Fast and precise audio response
•    Automatic adaptation of the electronics to different coils
•    Single or dual induction, balanced or differential coil designs
•    Delay settings to reduce indications of small metal objects
•    Ground settings to cancel out signals from magnetic soil
•    Built-in Data logger and optional software

** - as options



The GOLD FISH 3 DEEPMAX is based on the non-motion / slow-moution Pulse Ground Balancing System. Short & intensive magnetic pulses are emitted by means of a search coil first. Those magnetic pulses produce eddy currents in conducting materials like metal objects for example. These eddy currents will be kept in a metal object and will die away after the magnetic pulse emitted by the search coil has turned off. This is the reason why it is possible to detect those eddy currents during the time delayed receiving phase by means of the same search coil which now acts as a receiving coil. A electronic circuitry is necessary to detect those tiny voltage changes and has to separate that particular signal from interference also received. The signal has to be amplified to drive a voltage controlled oscillator (VCO), which emits an audible signal either by headphones or built-in loudspeaker when a metal is in the near of the field of the coil
Eddy currents produced in a metal object by means of a pulsed primary field, will die away differently depending on the conductivity of the metal object. The classification circuit therefore gives a visual time delay reading for the eddy currents received over a certain period of time. In addition a ferrous / non- ferrous indication for every metal being detected is working when a double D coil is in use. This gives further information on the probable kind of metal being located as well as the audio sound emitted, which makes it easy to predetermine the exact place and the size of the buried metal object.

The Pulse Induction principle has got the advantage of using large diameter coils and high transmitting power.

GOLD FISH 3 DEEPMAX in use A special adaptation circuit has been added to the Detector to suit with different coil systems automatically. This ensures extreme depth capabilities with any coil connected. When enlarging the search coil diameter the sensitivity to bigger objects will also rise. At the same time smaller objects will be located less sensitive. This is particularly desirable when locating large objects while ignoring small bits. Large coils offer very high detection ranges. Even in difficult soils where magnetic iron oxides are present the GOLD FISH 3 DEEPMAX will offer extreme depth capabilities for both ferrous and non-ferrous metal objects when the Ground Balancing System is in use. Other systems often suffer from ground effects which reduce the depth range in the ground.

The GOLD FISH 3 DEEPMAX will be able to locate objects at almost the same depths either in most types of ground or "in air tests". The high sensitivity of the GOLD FISH 3 DEEPMAX to non- ferrous metal objects like gold, silver and copper together with the new target analysis make this detector an outstanding device for many different locating purposes. The GOLD FISH 3 DEEPMAX was developed to provide a number of features including high sensitivity and stability together with easy operation. The amount of controls was therefore reduced and a calibration of the Detector to our factory settings was also made to guarantee best results in the field.

The GOLD FISH 3 DEEPMAX was developed for professional search and locating applications. A variety of search coils can be connected to this metal detector. Large areas can be detected effectively especially with frame coils. Saltwater, most types of ground or temperature changes will only slightly affect the detection range of the GOLD FISH 3 DEEPMAX. It is possible to eliminate some unwanted objects like nails and foils or to identify them as being small unwanted objects while searching for bigger and deeper objects. In conjunction with small coils the GOLD FISH 3 DEEPMAX is a great tool when searching for small objects deep in the ground.

From Title Comment
2014-08-19 Bilal E. Very Nice Detector It is a very good detector, for all its functions (modes mineralized soils) and especially for its affordable price. With its IP programming becomes one of the best in the world.
It certainly is a detector that has much in mind. Regards Bilal.
2012-08-21 Veselin T. review from Marcus Dahlberg, I have used Gold Fish 3 with the 38 cm coil, 1*1 meter coil and 1.5*1.5 meter coil for three full days searching for iron meteorites. That means about 24 hours searching time in total. I used mode 1 and mode 2 (low respective high power with mineralization filter turned on) to eliminate most of the hot rocks and mineralized soil. The mineralization filter worked very well. I just found two hot rocks and they were quite big and visible at the surface. The detector only detected mineralized soil four times during the hunt. That is acceptable. The electronic unit is very easy to calibrate. I always set “Delay” (sensitivity) to 7 and turned “Tune” until the “tick-rate” was 1-2 ticks/second.

I real bonus was that the large coils could be operated by one person if you place the electronic unit as high as possible, preferable around your neck. I had a margin of approximately 30 cm before the coil picked up the electronic unit.

I did not find any meteorite, but a lot of “meteorwrongs”.

Sometimes I managed to pinpoint the target with the larger coils by using the corners – it worked quite well when the target was just a few inches deep. The electronic unit and the coils seem to be of good quality. The only disappointment was the handle to the 38 cm coil that in my opinion needs improvement. The plastic screw connecting the 38 cm coil to the stick broke down when I tried to align the coil with the handle. I also had problem with the joint between two of the metal rods in the stick. It was difficult to tighten the plastic screw that secured the joint. This was not a big problem during the meteorite hunt, since I only used the 38 cm coil for pinpointing and just hold it in my hand.

The mail support was excellent. I always got quick responses to my questions I had before I bought the detector.

Best Regards,


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