The GBC is a fully featured counting scale with numeric keypad for unit weight and sample entry. The bright large backlit display shows unit weight, total weight and number of pieces. A grade 304 stainless steel top pan with mild steel base and pillar mounted ABS plastic indicator, make the GBC a durable industrial floor counting scale. Key Features Backlit LCD shows weight, unit weight and count in one convenient location Programmable backlight can be set to "always on," "always off" or "light only when weighing" Adjustable leveling feet help optimize setup Color-coded keys facilitate quick recognition of the most frequently used buttons RS-232 interface provides speedy connection to computers and printers Rugged construction stands up to industrial use Splash-proof housing, keypad and display are easy to clean Rechargeable battery included for operation almost anywhere Programmable auto power-off to save energy Audible overload alarm warns when capacity is exceeded External calibration allows for verification and adjustment with weights Parts counting with freely selectable sample sizes Parts counting optimization automatically refines piece weight as parts are added Preset tare function speeds the process of repetitive weighing Printouts include date and time for data tracking within Good Laboratory Practices (GLP) guidelines Ideal Use Cases Weighing Parts counting Check counting Available Models GBC 130a — 130lb / 60kg | 0.005lb / 0.002kg | 15.7" x 11.8" / 400 x 300mm GBC 35a — 35lb / 16kg | 0.001lb / 0.0005kg | 15.7" x 11.8" / 400 x 300mm GBC 70a — 70lb / 32kg | 0.002lb / 0.001kg | 15.7" x 11.8" / 400 x 300mm Specifications Product Type Counting Scales Capacity Options 35lb / 16kg, 70lb / 32kg, 130lb / 60kg Readability Options 0.001lb / 0.0005kg, 0.002lb / 0.001kg, 0.005lb / 0.002kg Pan / Platform Options 15.7" x 11.8" / 400 x 300mm Weighing Units kg,lb Interface RS-232/Optional USB Calibration External calibration Display Backlit LCD with 0.8" / 20mm high digits Power Supply 12VDC 800mA adapter / Internal rechargeable battery Operating Temperature -10° to 40°C / 14° to 104°F Construction ABS plastic indicator with die-cast aluminum base Warranty 5 years Resources Data sheet Manual