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Metal detectors detect iron, nickel, copper, brass, aluminum, tin, lead, gold, silver and bronze. General-purpose metal detectors can find buried metal objects such as jewelry, coins and other metal objects. In our informed opinion, that is a mistake. Here are some common misunderstandings about metal detectors that could actually be robbing you of the dollars you and your detector could be making every day you head outdoors to do some hunting. This can be a costly mistake. It is true that an expensive, top-of-the-line metal detector can find metal items that are further below ground.
But even low-end detectors can often find items that are not deeply buried, and in softer earth and sand. In other words, you can take even a cheap detector to the beach and find lost items of jewelry and other items people lose every day. So dust off that cheap detector you bought and head out today. And if you start finding bits and pieces of jewelry, lost cellphones, and other items with your cheap detector, you can always upgrade.
There are many varieties of gold scrap to be found. This is completely false. Individual segments or larger areas of the display can be shaded to reject unwanted targets. The simple answer is "as deep as the diameter of the coil". So detectors with larger coils will detect deeper. However, detection depth also depends upon detector technology and many environmental factors. High conductive metals e.
Multi-IQ achieves a high level of target ID accuracy at depth much better than any single frequency detector can achieve, including switchable single frequency detectors that claim to be multi-frequency. This enables maximum target sensitivity across all target types and sizes, while minimising ground noise especially in saltwater. There are presently only a handful of detectors from Minelab and other manufacturers that can be classed as true multi-frequency, all of which have their own advantages and disadvantages.
Minelab has been carrying out detailed investigations into this in recent years. Just as you can colour in a map with many colours, the minimum number to differentiate between adjacent countries is only four. When it comes to frequencies in a detector, how the frequencies are combined AND processed is now more important than how many frequencies, for achieving even better results.
There is no direct link between the individual single frequencies shown in the diagram and the frequencies used in Multi-IQ. The above diagram demonstrates the typical sensitivity range of single frequency detectors, as compared with the full-spectrum sensitivity provided by Multi-IQ.
Whilst a detector operating at 5kHz will be sensitive to high conductors, such as large silver targets, that same detector will be particularly unresponsive to small gold nuggets low conductors. Conversely, a detector running at 40kHz has high sensitivity for small gold, and much less sensitivity to large silver. Multi-IQ is highly sensitive to all targets across the frequency range. Search Search. Metal Detectors View All. Find Treasure.
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