Hotplates, 30x30cm, Analogue, CB300, SB300 have top plate material options. Bigger square plate is perfect for heating several small vessels or one larger vessel – total capacity is 10 liter. Temperature on the hotplate is set using the dial, which is easy to read. Comes with a flashing warning light for “hot,” if the temperature is higher than 50°C and the light remains on even when the hotplate is off until it is below the warning temperature. The Model CB300 comes with a ceramic glass top for exceptional chemical resistance and significantly higher temperatures.