SCI280-Pro Circular-top Digital Magnetic Hotplate Stirrer Features: Heat only, stir only or heat and stir together functions Digital temperature control with max. temperature up to 280°C Digital speed control with max. speed up to 1500rpm, with new brushless motor Stainless steel work plate with ceramic coating provides good chemical resistant performance and easy cleaning LED display shows temperature and speed The “HOT” warning will flash when the work plate temperature is above 50°C even if the hotplate is turned off Accessory reaction blocks for flasks and vessels available Electronic speed control for constant speed even during changes in load Comes with a free 50mm L x 5mm Dia. Magnetic Stir bar cTUVus approved for UL and CSA 2 Year Warranty The SCI280 hotplate-stirrer is a very economically priced LED digital hotplate-stirrer ideal for handling small volume task on daily application, as a low temperature magnetic stirrer with max. temperature at 280°C. This compact unit can be used as a hotplate, stirrer or combination. SCI280-Pro Circular-top Digital Magnetic Hotplate Stirrer Specifications: Work plate dimension φ135mm(5 inch) Work plate material stainless steel cover with ceramic Motor type Brushless DC motor Motor input power 5W Motor output power 3W Power 515W Heating output 500W Voltage 100-120V 60Hz Stirring positions 1 Max. stirring quantity 3L Max. magnetic bar[length] 50mm Speed range 200-1500rpm Speed display LED Temperature display LED Speed display resolution ±1rpm Heating temperature range Room Temp.-280°C, increment 1°C Temperature control accuracy ±1°C(100°C) Overheating protection 320°C Temperature display accuracy ±1°C External temperature sensor PT1000 (accuracy ±0.5°C) "Hot" warning 50°C Protection class IP21 Dimension[WxDxH] 150×260×80mm Weight 1.8kg Permissible ambient temperature and humidity 5-40°C, 80%RH