Tests gold alloys from 6 to 24 karats white and yellow gold. No dangerous acids or harmful chemicals. Ecologically safe provides the karat value on the LCD display. Manufacturer's repair or replacement warranty two years. G-24 is a unique high tech professional digital gold tester, developed by TRI Electronics, Inc. for efficient non-destructive determination of yellow and white gold for karat values from 6 to 24 karats. The principle of the G-24 Gold tester is based on an electro chemical process, which measures the decay of electrical energy between the sample under test and the cathose in the sensor. The result is processed in Karat unit value. The G-24 determines the karat value for yellow and white gold only, with the range from Not Gold to 24 karat in alloys that are commonly used in maufacturing of yellow or white gold jewelry. The Typical base metals such as silver and copper in a silver to copper ratio from 2:1 and up to 1:2. The gold tester will only give accurate results for commonly alloyed compositions. In the standard white gold metal composition the base metal generally consists of a small amount of copper, over 18% of nickel, less than 5% of silver, and the rest is made of zinc.
Owner's Manual
Manual (.pdf)
TRI Electronics Inc., as the manufacturer of the G-24 Gold Tester, believes its instrument will provide fast and reliable method of determining the karat value of gold when used in accordance with the provided instructions. TRI Electronics Inc. warrants that each instrument is free from defects in material and workmanship for a period of 3 (three) years from the date of purchase. This warranty applies to a G-24 Gold Tester that is not abused or improperly used and only if the device is used in accordance with the Owner's Manual furnished by TRI Electronics Inc. This warranty does not cover: any product where an attempt to disassemble the same is established; modification; alteration; unauthorized repair or service of the product or damages or defects resulting from accident or any vents beyond the control of TRI Electronics Inc., nor does this warranty cover batteries or accessories. In addition TRI Electronics Inc., as the manufacturer, shall not be held legally liable or responsible for any error in determining the contents of gold and other precious metals through the use of the G-24 Gold Tester nor for using the device in testing non-gold alloys or dental gold.