Easy to clean and acid and alkalies resistant white ceramic top plate. Units feature three unique modes of operation guarantee optimal adjustment to your working method: 1) Mode A is suitable for work with varying parameters and is safety temperature adjustable 2) Mode B is suitable for series operation under uniform conditions 3) Mode C is suitable for unsupervised operation. Microprocessor-controlled stirring hot plates feature an over-temperature safety circuit fixed at 1022°F (550°C). Precise digital control with superior stirring strength Exact temperature and speed setting via digital display Extremely fast heating.