Sigma Metalytics Precious Metal Verifier PRO with Refiners Wand & Small Wand SM2601S4
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The OPTIONAL Large Wand gives you the ability to read many coins in numismatic slabs as small as 1/4 oz, smaller than can be read on the pro unit with any other sensor. It is not possible to read coins under 1/4 oz in slabs typically. Raw coins as small as 8 mm can be read under the small bridge or with the small wand. The large wand is recommended if you deal with a lot of slabbed coins.
The OPTIONAL Microwand can be ordered IN PLACE OF the small wand and allows you to measure pieces as small as 3.5 mm. The small wand measures as small as 8 mm.
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.
This Unit also includes a two additional testing wands for greater versatility, a Refiners wand that detects metal under the surface 1.5 times deeper than the current Bullion wand. This is for use with bars larger than 1kg. We will also offer a Small Wand which can measure small items down to a width of 8 mm.
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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Refiners Wand |
No limit |
24 mm |
2.5 mm
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Large Wand Small Wand |
No Limit No limit |
18 mm 8 mm |
1.7 mm 0.13mm*
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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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. |
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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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