... the best combination immediately from diversified weight combinations through computer with perfect combination of high precision and high speed 3 ... numbers, pass rates and differences of single bag 8) Optional devices: balance ball, suction hopper, printing device, tolerance sorting ... 500W, 220V, 50 / 60Hz, 9A 2) Type: ten-hopper computer combination scale 3) Range of single weighing: 10 - 1,000g ...