Metal Gold Purity Analyzer Density Meter Karat Device Tester for Silver Copper Notes: Printer is optional, please contact me if you need it. Notes: Please be noted that the machine has limited function which is determined by its' principle.Following gold type can't be tested:(1) Gold has any decoration.(2) Gold has the painting.(3) Gold inside is hollow. Measurement Procedure: Measure the gold weight in air, and then press the ENTER button to memory.Place the gold into water to measure the weight, and then press the ENTER button to memory.show the K value of gold,purity percent,density value. Specifications:Maximum weight: 120gWeight resolution: 0.001gDensity resolution: 0.001g/cm3Measuring time: 15SColor: Yellow Weight: 7 Kilograms Dimensions: LxWxH 16.73 x 6.89 x 12.8 inchesTesting board: Completed high-capacity plastic testing boardMeasuring type: Traditional gold and platinum jewelry, necklace, bracelet,ring ,large bullion,craft, and gold, silver, copper, cadmium,nickel,tin.etc. Gold Mode: Display k value: The K value of mixture of gold,silver,and copper; mixture of gold and copper;mixture of gold and silverDisplay purity percent: The purity content of mixture of gold,silver and copper; ;mixture of gold and copper;mixture of gold and silverK value: range 9K~24KCopper and silver proportion setting: Cycle seting as user prefer(default 7:3) Platinum: Display value: PT percent, density value, volume PT value range: Pt600 - Pt1000Measuring container: completed injection forming transparent professional measurement tank (size: length16.9mm x wide9.8mm x high8.3mm)Parameter setting: water temperature setting,measuring medium density settingPrinciple: Archimedes principleMemory method: Two proceduresCorrection method: auto correction with one button,auto detection.Output method: output and print testing data conveniently with standard communication interface of RS-232C.Standard accessories: Host, tank, test board, tweezer, thermometer, weight, wind and dust cover, a set of measuring particle parts, a set of measuring floating body parts, power transformerWind and dust cover: Adopt the unicase dedicated wind and dust coverPower: AC100V - 240V