Gold Testers are not returnable once used.
Easy to use: A drop of conductive gel is dispensed onto the item to be tested. Thermal conductivity determines the reading, which is displayed on the LCD within 4 seconds. Match the reading to the chart that is conveniently imprinted on the Gold Tester to find correct karat value.
Each operates on two 9V batteries (included).
Comes with 1 tube of Gel. Gel refills are available and should be kept refrigerated until ready to use. Gel is not interchangeable between the two models, please order carefully. (GT-3000 Gel is off-white in color, GT-4000 Gel is pink.)
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