The Cole-Parmer SH-200D-M has a vibrational mixing action, ideal for microplates. With digital setting and display of speed and time, from either 1 second to 90 minutes or 1 minute to 9 hours or continuous operation, respectively. Orbit: 4mm. Maximum loading 3kg. Fitted with aluminium tray 220 x 220mm (W x D) and non-slip rubber mat which holds up to four microplates. Accessory tube holders are also available. Overall 240 x 300 x 160mm high. Weight 5kg. For 230V 50Hz single phase supplies, 50W.