Poli 15 Multi-position magnetic stirrers order number 31505 Input 24VDC/1 A for up to 15 x 250ml beakers or 6 x 1000 ml Erlenmeyer flask processor control Digital speed display Speed stability even with change in viscosity of the medium Automatic start-up for safe acceleration of the stirring rod Powder-coated steel case Technical Specifications: Stirring capacity 1 to 800 ml, Stirring power: 10 W, Speed range: 130-990 rpm, Permissible ambient temperature:. -10 degrees C to + 40 degrees C at 95% humidity