The Undergrad HP-200-S analog hotplates, with their square plate design offer flexibility to use different vessel sizes and combinations, for example, it is possible to place four 250mL beakers on the surface of the heating plate at the same time.r-Space Saving: Compact, stackable design reduces lab bench space and storage.r-Hot surface warning light, stays on even after unplugging.r-Vitrified protection with BioCote® for antimicrobial protection.r-Optional temperature controller allows precise regulation of sample temperature.r-Possibility of choosing glass-ceramic or metal surfaces with ceramic coating.r-The powerful magnets and motors allow you to achieve surprising stirring speeds (up to 2000 rpm) and mix large volumes of liquids (up to 15L).r-IP 32 protection class.