Chances are if you are looking for an underwater metal detector, you have some experience in finding treasures. For searching areas that are underwater or places near saltwater, you need a special detector. There are three different types of metal detectors that are waterproof. There are pulse induction, very low frequency and broad band spectrum detectors used for underwater hunting.
The pulse induction or PI underwater metal detectors are recommended for use in and near salt water. The PI's electronic currents are strong enough to get through the ground minerals. They are not as accurate when it comes to reading, and you may have to go through finding some trash before you locate your sunken treasure. Garret and Headhunter are both brand names that you can count on for a good underwater handheld metal detector. These metal detectors are guaranteed to withstand the salt water and may be submerged in it as well.
Very low frequency handheld underwater metal detctors are able to pick out what is trash and what is treasure. Unlike the PI underwater metal detector, the VLF is affected by mineralization in the ground. They have to be adjusted to minimize the effect that minerals have on the handheld detector. Fisher and Headhunter brands are some good names in this category. Broad band spectrum or BBS metal detectors have several frequencies that they transmit as opposed to just one. These kinds provide a greater depth compared to the other types of detectors enthusiasts use. Another advantage about BBS frequencies is that they give greater discrimination with more accuracy. Having said all these, you can definitely choose the right detector suitable for you.
If you are unsure as to which underwater metal detector will be best for you, think about where you live. If you are near the beach, you will want a metal detector that is suitable for use in salt water. If you are by a lake that is relatively deep and you plan to dive, a BBS is going to be the best fit. You will be pleasantly surprised to find the treasures that you will come across. Check the depths on your handheld detector to make sure it is compatible with the distance you are trying to reach. Start with the metal detector and purchase accessories afterwards. After a few hunting sessions, you will be able to see what you need to make your experience more comfortable.
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