... . 2. Standard RS232 interface, be connected with computer. 3. Multiple weighing units: G, Ct, Oz, Dwt Features:1. High precision & ... RS232 interface, it can be connected with computer.3. Multiple weighing units: G, Ct, Oz, Dwt.4. Checking weight and ... . Automatic calibration of weights, with function of count and percentage weighing.7. Stainless pan, stainless poling, its height, angle and position ...