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A Guide to choosing a Metal Detector
A guide to choosing a Metal Detector
Most importantly, choose a detector with a frequency that is designed to target the type of items that you wish to recover.
Frequency basics: The number of waves per unit per time sent into the ground to detect different metal objects. Measured in (kHz).
Example: A 10kHz detector sends and receives information 10,000 times per second.
Frequency ranges to consider
- Coins - 5-10 kHz
- Jewelry -10 kHz+
- Relics - 10-20 kHz
- Gold - 14 kHz+
For the beginner we recommend a user friendly all purpose Multi Frequency Metal Detector.
Detector coil types
Coils can be referred to as Concentric, Elliptical or Double D
Concentric (Spider coil) –This type of coil may come in a round or tear drop shape.
The commonly used concentric coil offers a large field of detection.
Concentric coils can also be referred to as “Spider Coils”.
Elliptical – This type of coil is also named after its shape.
Size example: 9”x 6”
Elliptical coils offer the advantage of increased ground coverage per sweep.
Double D – D shaped coils work best at cancelling minerals present in the ground. Double D’s are less sensitive than concentric coils.
This type of coil is best suited to finding targets that are close to the ground surface.
Detector Coil Shapes
- Elliptical. Suitable when detecting in uneven ground.
- Round. Suitable for detecting on flat ground.
- Open-web coil. Suitable for detecting in aquatic environments.
If you have any questions at all about Metal Detectors or any of our other products, don't hesitate to reach out to our friendly support team at email@example.com, and we'll be happy to help!