Description of AWH (SA) Series Electronic Weighing Scale : *Simple counting, weighing and percentage functions *Auto calibration and auto zero tracking *Double overload protection *15 filtering wave stable scopes setting *Bright LCD display, LED backlight *Delivery protection from collision or shock *Low power and LED double colors charging status indication *Standard RS-232 interface, print function *Pan Size: 230(W)*290(L) Model Capacity Readability Pan Size AWH1.5 1.5kg 0.1g 230*290mm AWH3 3kg 0.2g 230*290mm AWH6 6kg 0.5g 230*290mm AWH15 15kg 1g 230*290mm AWH30 30kg 2g 230*290mm