frequency: 500 times/min. Shaking method: up and down Shaking amplitude: 1.5 mm Time setting: 0 – 60 min. selectable Motor power: 50 W Sieve size: Ø200 x 50 mm (9pieces) Ø300 x 75mm (7pieces) Sieve opening: 20 – 0.75 mm Power supply: 220 V 50 Hz Dimension: 430 x 430 x 750 mm Weight: 50 kg