This Garrett Super scanner Hand-held Metal Detector from detectorall you are looking at has its own merits among various types of handheld detectors. One of them is that this device has a good ultimate sensitivity.
Ever found one of these? Roman dodecahedra are believed to date from the second and third century AD, and range from 4 to 11cm in size. There are many theories about what they may have been used for, but I believe they were used as portable personal altars, possibly to a water god or spirit, others have said that they may have been used as candle holders. They are certainly one of the more strange items that you might uncover whilst metal detecting.
Roman dodecahedra are objects that may not be immediately recognizable to a lot of metal detectors, and I have often wondered how many more of them might be out there! If you have ever found one, leave a comment or drop me an email.
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This Garrett Super scanner Hand-held Metal Detector has its own merits among various types of handheld detectors. One of them is that this device has a good ultimate sensitivity. So it can detect medium sized pistol from 9" distance, large knife from 6", razor blades and box cutters from 3" distance, foil-wrapped drugs and tiny jewelry from 1".
Besides the digital microprocessor technology eliminates the need for periodic sensitivity adjustments. And the quality of it can be ensured, for it has been tested in many occasions, such as rugged, high-impact ABS case with reinforced coil compartment and exceeds Mil-Std-810F (drop test) Method 516.5, procedures II and IV. What's more the large 8" scan has the ability of scanning the surface quickly. For the power supply, there are no tools required to change standard 9V battery (included) and optional rechargeable battery kit are available. The device also has sharp audible alarm and bright red LED indicates when it detects metals. It has a three-color LED indication, green LED indicates on; amber LED indicates low battery and red LED indicates alarm.
Apart from the above information the momentary push button cam help temporarily eliminate detection of nearby ambient metal such as rebar, metal walls. The equipment's operating frequency is 93 kHz and it can work normally under -37°C to 70°C, so no matter in hot summer or cold winter it can work well. The audio frequency of it is 2Hz and in this condition it will warble. Taking if people hold it for a long time, the weight of this one is only 450g. About its specification you need to know. Operating frequency:93 kHz Audio frequency:2 kHz, Warble Operating temperatures:-37°C to 70°C) Humidity: to 95% no condensing Width:3.25" ( 8.3 cm ) Thickness:1.625" ( 4.13 cm ) Length:16.5"( 42 cm ) Weight:450 g
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