SOLD - This is a previously-owned/used Corning hot plate and stirrer, model no. PC-220, with a ceramic top plate. Per its technical specifications, this unit stirs at a speed range of 60 to 1100 rpm and heats from 25°C to 550°C.Condition: Tested, fully operational (powers up, heats, and stirs), clean, previously-owned, used. Unit is in overall great condition, though some small cosmetic blemishes from normal use. Sold "as is" without manufacturer's warranty expressed or implied. Buyer is responsible for determining the suitability of this product for their application.