Finding the best metal detector for a specific purpose is a lot like buying any other piece of electronics. Whether for profit or as a hobby while the cost of a metal detector is always important it should not be the most important factor in determining which one to buy. Spending a few more dollars for a model with specific features can mean the difference between finding buried treasure or finding an old discarded tin can. Consider these suggestions when shopping for a new metal detector and use them as part of any purchase decision.

Metal Detector Types

Lower quality, lower cost metal detectors will often use a sensing technology known as a beat frequency oscillation (BFO). BFO detectors tend to be the least accurate and do not allow for discrimination, meaning that they cannot tell the difference between the types of metal that they discover. A step up from the BFO detectors are very low frequency detectors (VLF) where two coils are used, one to transmit and one to receive.

At the high end are newer pulse induction detectors (PI) that tend to be the most flexible and easily tuned to different soil conductivity types.

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