The Tracer Products' TP-9366 Pro-DigiScale high-capacity, extremely durable refrigerant scale accommodates cylinders up to 220 lbs. The TP-9366 features load cell accuracy to +/- 0.25 oz. (7 g), with no drift, and provides measurements in lbs/oz, kg/g or decimal lbs. The control head features a large LCD for easy viewing, even in direct sunlight. Additional features include an automatic shut-off mode to conserve battery life, low-battery and over-range warning indicators, and automatic and manual “zeroing.” kit comes with a weighing platform, control head, communication cable and battery.