This listing is for the Heidolph MR Hei-standard Magnetic Hotplate Stirrer The unit is in full working condition and is ready for immediate use The Heidolph MR Hei‑Standard is a laboratory magnetic hotplate stirrer—a reliable and robust device designed for simultaneous heating and stirring of liquids up to moderate scales. Key Features & Technical Specs Heating & Stirring: It heats up to 300 °C on the hotplate (with sample temperatures reaching around 250 °C) and stirs with speeds up to 1,400 rpm, capable of handling volumes up to 20 liters of water Heating Power & Plate: Offers around 800–825 W of heating power, using a ceramic-coated silumin (Kera‑Disk®) plate that ensures excellent heat distribution and resistance to scratches and chemicals Controls & Accuracy: Features analogue dials for setting temperature and speed (typically from 100 to 1,400 rpm), with speed accuracy of ±2% and temperature setting accuracy of about ±5 °C (or ±1 °C when using an external sensor)