Smart Features.Accurate and reliable for trusted jewelry weighing. Available in 500, 700, 1100 and 1600 carat capacity options. Each of these models has a 0.001 ct/0.1 mg readability, 4.5'' color touchscreen, FACT fully automatic internal adjustment, 3 interfaces, 8 built-in applications, overload protection, metal base Designed to Perform Advanced weighing technologies, solid construction, and special design features deliver the accuracy you need for weighing jewelry and precious metals. Intuitive Touch Screen Operation The large color touchscreen is easy to read, even under the dazzling glare of shop lights, while the user interface is simple for anyone to use. Automatic Performance Testing JET balances use internal weights to automatically test and adjust the balance, helping to ensure that weighing performance remains true. Specifications: Maximum Capacity 505ct/101 g (JET503C/A) 700 ct/140 g (JET703C/A) 1100 ct/220 g (JET1103C/A) 1600 ct/320 g (JET1603C/A) Readability 0.001 ct 0.1 mg Repeatability, typical 0.08 mg Minimum Weight (U=1%, k=2), typical 16 mg Adjustment Internal / FACT Settling Time 2 s Legal for Trade No Balance Model (Carat/Gold) Carat Interfaces RS232 USB Device USB Host Display 4.5" color TFT touchscreen Weighing Pan Diameter 90 mm Dimensions (HxWxD) 279 mm x 210 mm x 344 mm Housing Die-cast aluminum, ABS Product Line JET