The Qualitest range of advanced Gold Testers are the ultimate tools for the jewelry industry, gold & precious metal research labs, jewelry stores, banks, and pawn shops for accurate determination of the carat and purity of gold, silver and platinum.
GKS-300 is the basic model, suitable for gold and can measure the carat of gold specimens weighing between 0.001~ 300g.
GKS-3000 is the top of the line model suitable for gold, silver and platinum with extended weight capacity of up to 3,000 g.
GK-series gold testers can quickly, easily and accurately determine purity of precious metals and gold karat by two weighing (By me asuring the Specific Gravity): one with the piece in a water tank, the other normally. An internal computer does all the calculations for you.
|MODEL||GOLD KARAT TESTER GKS-300||GOLD KARAT TESTER GKS-3000|
|MEASURING RANGE||0.001g (0.0001) - 300g||0.01(0.001) - 3,000g|
|REPEATABILITY||0.001g||10 - 2,100g|
|LINEARITY||±0.002g (±0.0003g)||±0.02g (±0.003g)|
|WEIGHT / DIMENSIONS||2.8kg / 260 x 190 x 200mm||4.2kg / 260 x 240 x 240mm|
|POWER SUPPLY||AC 100 to AC 230V||AC 100 to AC 230V|
|OPTIONS||Compact printer||Printer, Airtight wind shield|
|MODEL||GOLD KARAT TESTER GK-300|
|MEASURING RANGE||0.01~ 300g|
|MEASURABLE RANGE||5 ~ 300g|
|WEIGHT / DIMENSIONS||1.54kg / 218 x 190 x 170mm|
|OPTIONS||Printer AD-8121B, Airtight wind shield|