| Metal detectors are electronic equipments | | | | calibration. Prices of walk through metal |
| used to locate metal objects that are hidden | | | | detectors depend on the brand and features. |
| in baggage, ground or on the person?s body. | | | | Usually the prices range from $3000 to $6000. |
| Metal detectors are used for various purposes | | | | The best-rated metal detectors of this type |
| such as security maintenance, item recovery, | | | | are Garrett Magnascanner PD 6500, Garrett |
| archaeological exploration, and geological | | | | Magnascanner CS5000, Ceia metal detectors, |
| research. Main parts of metal detectors are | | | | and Sentrie LC. |
| control box, shaft, and search coil. Control | | | | |
| box which has speaker, batteries, and | | | | Schools, courtrooms, sports events, and |
| microprocessor coordinates all activities. | | | | public areas use hand held metal detectors. |
| The performances of the detectors depend on | | | | The best rated hand held metal detectors are |
| the features of various parts. Best rated | | | | cheap, lightweight, sensitive, and radiation |
| metal detectors are classified according to | | | | free. This model is easy to use, reliable, |
| their performances. | | | | and requires less maintenance. Commercial, |
| | | | professional, all-purpose, beach, gold metal, |
| Metal detectors commonly used in airports, | | | | relic metal and 2-box deep searchers are |
| hotels, government buildings, and other | | | | different types of hand held metal detectors. |
| public places are of the walk-through type. | | | | Garret Enforcer G-2 is the best rated hand |
| Best rated walk through metal detectors have | | | | held metal detector capable of identifying |
| high target selection, low rate of false | | | | even very small metal objects. Waterproof |
| alarm, consistent detection, and a two way | | | | metal detectors are also available to recover |
| directional system. Some models that are | | | | lost objects from water. Best rated |
| market favourites have one eighth of an inch | | | | waterproof metal detectors are Mine lab |
| thick aluminium shielding panels, which are | | | | Excalibur 1000, Fisher CZ 20, Head hunter |
| highly sensitive and easy to handle. Portable | | | | pulse, and Whites Surf Master PI Pro. Tesoro, |
| walk through model is a best rated metal | | | | Whites, Prizm series, Fisher, Garret, and |
| detector with a simple mode of operation. | | | | Bounty Hunter are some brands which sell the |
| They are lightweight and require no primary | | | | best-rated metal detectors. |