Sigma Metalytics Precious Metal Verifier
Large Wand - used for coins weighing between 1/4 and 1 ounce.
Small Wand - used for smaller samples, including but not limited to 1 gram bars, and 1/10 oz coins.
NEW Bullion Wand - will penetrate the surface of gold and silver bars to a dept of 2 mm (.08in).
Lithium-Ion Battery which can be recharged with the supplied USB charger, your computer, or any USB phone charger. The battery lasts about 15 hours of run time. No need to change the battery.
***90 Day Limited Hardware Warranty***
The Precious Metal Verifier is used to measure the bulk metal in a bullion bar or coin and ensure that the metal matches the electrical characteristics that would be expected of it. It can be used to detect counterfeit precious metal coins and bars, measure underneath the surface of coins and bars testing the interior metal, will read through numismatic cases or test coins loose or in bags, and featured a new measurement mode which provides a digital readout of the measured value.
The Verifier can assess a sample in less than one second without affecting the coin or bullion in any way. No chemicals are used and no physical damage is done to the coin or bullion being tested. Unlike in other testing methods, plating and surface features do not significantly impact the unit's ability to measure the underlying metal. Using electromagnetic waves that penetrate deeply into the coin or bar, plating and surface features are largely ignored, and the main body of metal assessed. The Verifier can see through plastic cases and bags, so numismatic coins do not need to be removed from protective holders.
Different sized sensors are used for different sized samples. The biggest sensor is in the main housing and is used for large samples, like 1-ounce coins and bars. To measure smaller objects one of two external wands is connected to the main unit via a cable. The large wand is used for coins weighing between ¼ and 1 ounce. The small wand can be used for smaller samples, such as 1-gram bars and CombiBars, 1/10-ounce coins, and the like.
The user selects the metal that the sample is expected to be. The Verifier sets the value of that metal’s resistivity to the center of the bar display. The bar display has brackets that show the expected range of the reading for the selected metal. So, for example, if the user selects pure gold as the metal, and pure gold is placed on the sensor, a value within the brackets will be obtained. Virtually any other metal with a similar weight will fall far outside this range. If the actual reading does not correspond to the expected reading, an arrow will show up on the bar display.
Many standard metals are stored in the Precious Metal Verifier and can be selected by the user. For example, for gold coins the user can select pure gold, 22 K gold, 90% gold, or American eagle gold; for silver, pure silver, sterling silver, 90% silver. and Britannia silver. Pure platinum, palladium, rhodium, and copper also have stored values. Each of these coin and bullion metals will produce a unique reading on the Precious Metal Verifier. Even small changes in alloy make a big difference in the readings on the Precious Metal Verifier.
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