May 3, 2023 · Concentric coil

“Unearth Hidden Treasures: How Choosing the Right Metal Detector Coil Can Make All the Difference”

Metal detecting is a fun and exciting hobby that allows you to discover hidden treasures in the ground. However, choosing the right equipment can make all the difference between finding treasure or coming up empty-handed. One of the most important components of any metal detector is its coil type.

Coils come in different shapes and sizes, each with specific strengths and weaknesses that affect their performance on different terrain types. In this article, we will discuss 15 types of coils that are commonly used by metal detectors.

1. Concentric Coil: This type of coil has two circles that overlap each other, creating a cone-shaped detection field. These coils offer good depth penetration but have limited target separation abilities.

2. Double-D Coil: Also known as “DD,” these coils have two overlapping D-shaped loops facing opposite directions. They provide superior target separation capabilities but have less depth penetration than concentric coils.

3. Elliptical Coil: These coils are oval-shaped and designed for enhanced sensitivity to irregularly shaped targets such as coins or jewelry.

4. Mono-Coil: A mono-coil is a single loop coil without a second winding attached to it, which provides excellent signal clarity in mineralized soils while maintaining good depth penetration.

5. Butterfly Coil: Named after its butterfly-like shape, this coil offers high sensitivity to small targets like gold nuggets at shallow depths while limiting interference from ground minerals.

6. Wider Surface Area Coils: With larger surface areas, these coils allow for better coverage over large regions resulting in more finds during your hunt

7. Smaller Surface Area Coils: For use on rocky or uneven surfaces where smaller surface area improves maneuverability

8-10″ DD elliptical searchcoil – general purpose; deep searching

11″ DD elliptical searchcoil – deeper searching over wider areas

15×12″ DD elliptical searchcoil – deepest searching overall; great ground coverage

9-14” Search Coil: These coils are ideal for general-purpose metal detecting on all types of terrain. They provide good depth penetration and target separation abilities.

10. Sniper Coil: Small, lightweight, and designed for use in tight spaces or trashy areas where larger coils can’t fit.

11. Super Sniper Coil: Similar to the sniper coil but even smaller, providing maximum maneuverability in tight spots

12-18” Search Coil: Designed for deep searching over wider areas, these search coils offer great ground coverage making them perfect for hunting large open fields or parks.

13. 24”+ Search Coils: These massive search coils provide the deepest penetration available but are heavy and difficult to maneuver in tight spaces.

14. Waterproof Coils: Perfect if you plan on doing beach or water hunts as they can be submerged underwater without damage.

15. Saltwater Coils – For saltwater beaches with mineralized sand; have enhanced sensitivity to small targets

In conclusion, choosing the right coil type is essential when it comes to successful metal detecting trips. There’s no one-size-fits-all solution when it comes to selecting a coil type as each has its own unique strengths and weaknesses that suit different environments better than others. By understanding your needs before purchasing equipment, you’ll ensure that you make the most out of your hobby while maximizing finds along the way!

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