VWR® Magnetic Hotplate Stirrers combine precise temperature control and powerful magnetic stirring in a single compact unit suitable for most laboratory heating and mixing applications. The ceramic or stainless steel heating surface is chemically resistant and rated to 300–550°C. Features include: independent temperature and speed controls, digital PID controller for accurate set-point maintenance, safety temperature limit system, a wide speed range (50–1500 rpm), and a large working surface for use with vessels from beakers to 10 L flasks. Available in single and multi-position models. An integral safety cut-out prevents overheating. An external temperature probe (PT1000) is available for direct liquid temperature monitoring. Stir bars sold separately in various sizes.