Portable balances with multiple weighing units and fast one-second response time easy to read LCD with backlight provides clear view of results under any lighting conditions. Specific gravity function, percentage weighing, and parts counting functions. Comparator function gives a visual reference against a set target weight. Features low battery, overload, and stability indicators. Customize your balance using the Configurable key mode. Stackable body allows convenient storage of multiple units. Optional USB or RS-232 interface for connectivity to a printer or computer.