Smooth orbital shaking action. Built-in digital timer. Variable speed control 30 to 300rpm. Supplied with non-slip mat for microplates etc. Optional accessory cradle system for flasks and bottles.The compact SSM1 provides a smooth uniform circular motion with an orbit of 16mm. It is supplied with a non-slip mat that can hold up to four microplates or diagnostic cards. Alternatively; an accessory cradle system is available that can accommodate a variety of vessels including flasks; bottles or beakers via four rubber securing bars. It will hold up to: 4 x 250ml or 2 x 500ml or 1 x 1000ml Erlenmeyer Flasks or bottles. Speed is variable from 30rpm to 300rpm. Once set on the digital display; the shaking speed is effectively maintained even over long periods of time. Shaking times can be set to run for 1 second to 9 hours on the built-in digital timer; or the unit can also be set for continuous operation. With BioCote; silver-based; antimicrobial protection.