The Hotplate Stirrer CR302 Series is manufactured by Stuart. The product has outstanding magnetic stirring and it has highly efficient heating time and energy. It has "Hot" warning light indicator for user safety and the chemical top is chemical resistant. The plate measures 300 mm x 300 mm and the heated area measures 140 mm in diameter. The heated power is 900 W and the stirrer speed ranges from 100 rpm to 1500 rpm.