Metal Detectors: Tips on Balancing Ground

If you are frustrated by the load of trash and useless items your metal detector seems so keen on beeping about, you may need to adjust and balance your Ground level. The Ground knob on your metal detectors sets the level of rejection your metal detector gives ground mineralization.

Ground mineralization, simply put, is the kind of mineral present on the ground. To balance your Ground means detecting the difference between rusted iron nails, common salt, and genuine gold coins. Fine tuning the Ground control for your metal detector for a specific area will improve its performance especially if the All Metal mode is selected.

Fine tune your metal detector’s Ground level by doing the following:

1. Go to the area you wish to search.

Different areas require different ground level since most places have different ground mineral concentration. A beach or the riverside may have higher concentration of minerals due to sand crystals, gold, and other mineral sediments compared to your neighbor’s yard.

2. Do a test run.

Turn your metal detector’s Threshold control until a slight hum you hear a slight hum. Set your metal detector to All Metal mode. Lower your metal detector to search height then slowly lift it to about four inches. Do this repeatedly.

3. Listen for sound disparity.

As you lift and lower your metal detector, listen for changes in the hum volume. Ideally, if your Ground balance is correct, the volume will stay the same even if it is on search height or four inches high. To aid in this, concentrate on volume disparity only as your coil or loop approaches the ground.

4. Adjust your Ground knob accordingly.

Your goal is to find the ground setting that allows only minimal or no change at all in the volume of the hum as the loop is lifted and lowered. Adjust your Ground knob until you hit the right balance.

5. Reduce sensitivity controls.

A great metal detector allows you to adjust sensitivity controls if you find it hard to achieve the right balance. Metal Detector Town offers the best metal detectors and metal detecting equipment with advanced sensitivity control and great customer support.

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3 comments

  1. Nice article on balancing ground. I was wondering if you knew of a good metal detector that had a waterproof coil and also could be used to locate gold coins etc on the beach in Florida.

  2. @Allen One that would suit what you said could be the Bounty Hunter TK4-PL Tracker IV Metal Detector. It is a basic detector but it would do everything that you mentioned.

  3. Regarding “3. Listen for sound disparity”, can track something like 20 feet below the ground? Thanks

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