Sigma Metalytics Precious Metal Verifier PRO Base Unit - No Wands SM2601S1
The Sigma Precious metal verifier is designed to test coins and bullion but generally not jewelry or scrap metals. For jewelry testing consider the Kee Gold Tester shown under " Shop" --> "Gold Testers" at the top of the page. Also consider a Sigma Kee bundle for greater versatility. The Precious Metal Verifier Pro has been developed to greatly enhance the capabilities of the original PMV. It makes four separate measurements that ensure that the coin or bar contains valid metal. We now measure surface resistivity, and the resistivity all the way through the coin at the same time. No more worries about the depth of the buried metal. We measure the thickness of the metal, even for coins in plastic holders. Also, if the weight is entered, the density can be verified to be correct by measuring coin or bar dimensions directly on the instrument. In many cases we can do this even for coins in holders. With these additional checks, you will find greatly increased security using the Precious Metal Verifier Pro.
Pro units will not test slabbed coins less than 32 mm diameter. Original Sigmas will test many slabbed coins down to 1/4 oz with the large wand.
PMV PRO - Specifications:
Base Unit Specifications:
Shipping weight 5.2 lbs. 2.4 kg
Length: 11 in 280 mm
Width: 8 1/4 in 210 mm
Depth: 2 9/16 in 65 mm
Made in USA
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Sensor Specifications: Sensor |
Maximum Sample Thickness |
Minimum Sample Diameter |
Detection Limit Gold over Tungsten (G.O.T.) |
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Large Bridge |
12.5 mm |
32 mm for coins 28 mm for bars |
12.5 mm |
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Small Bridge |
3.5 mm |
15 mm for coins 10 mm for bars |
3.5 mm |
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* A standard plating thickness is 5 micro-inches; the Microwand will penetrate 1000 standard plating thicknesses into the metal (G.O.T.)
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Metal Specifications |
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Name |
Description |
Center Reading |
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Gold |
μΩ-cm |
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Gold Pure |
Gold at least .999 pure |
2.25 |
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91.7%, 22K bal Cu |
22 karat gold, remainder copper |
10.05 |
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90 % bal Cu |
90% gold, 10% copper |
11.05 |
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Eagle 22K 3% Ag |
22 karat gold, 3% silver, 5.3% copper |
9.04 |
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98.60% |
Gold, Austrian Ducat, 98.6% remainder copper |
3.80 |
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91.7% 22K 4.2% Ag |
Gold, 22 karat, 1 karat silver, 1 karat copper |
8.47 |
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Silver |
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Silver Pure |
Silver at least .999 pure |
1.57 |
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92.5% Sterling |
Sterling silver, 92.5%, remainder copper |
2.30 |
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90% Coin 1945- |
Silver coins 90% silver, 10% copper - good purity |
1.93 |
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90% Coin pre-1900 |
Silver coins 90% silver, 10% copper - fair purity |
2.25 |
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90% Coin 1900- 1945 |
Silver coins 90% silver, 10% copper - moderate purity |
2.00 |
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96% Britannia |
Silver, 23 karat, 95.8% remainder copper |
1.80 |
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Other |
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Platinum |
Platinum at least .999 pure |
10.95 |
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Palladium |
Palladium at least .999 pure |
10.95 |
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Rhodium |
Rhodium at least .999 pure |
4.90 |
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Copper |
Copper at least .999 pure |
1.70 |
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Calibrator |
Aluminum at least .995 pure |
2.80 |
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Rhodium - PAMP |
Rhodium at least .999 pure, 91% density |
5.76 |
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Coins |
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Krugerrand |
South African Gold Krugerrand 22 karat |
10.05 |
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American Gold Eagle |
1986 to present, 22 karat gold, 3% silver, 5.3% copper |
9.04 |
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Gold Britannia 1990-2012 |
Gold Britannia 90-12, 22 karat gold, 1 karat silver, 1 karat copper |
8.47 |
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Gold Britannia 2012- |
Gold Britannia 2013 to present, gold .9999 pure |
2.25 |
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Gold Britannia 1989 |
Gold Britannia 1987-1989, 22 karat gold remainder copper |
10.05 |
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Gold Austrian Ducat |
Gold, Austrian Ducat, 98.6% remainder copper |
3.80 |
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Silver Britannia -2012 |
Silver Britannia 1997-2012, 23 karat silver |
1.80 |
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Silver Britannia |
Silver Britannia 2013 to Present, .999 silver |
1.57 |
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Silver 80%, Canada Comem |
Silver 80 % Copper 20% - as in Canadian Commemoratives |
2.14 |
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