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Metrotech 220 Metal Detector / Locator

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Uploaded by on Mar 28, 2009

This is a demonstration of a Metrotech 220 metal detector. A very simple and rugged device used mostly by the underground utility industry such as the gas company to locate metal valve boxes.

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Howto & Style

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Standard YouTube License

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Uploader Comments (Harwkins39)

  • It takes a 9V battery, but you need to plug in the sound box or a pair of headphones

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  • What is the battery voltage for this model? My grandmother has an old one she wants to use but it has no battery and I was told I could use a 9V if I installed the connector.

  • interesting detector

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