Guardian 5000 Hotplates Stirrers are designed for safety and simplicity in all research academic and industrial applications The design ensures proper mixing and temperature control of the top plate or your sample when using the optional temperature probe Heating models include a Single Point Calibration feature for multiple setpoints Select from five models with three plate sizes for your everyday heating and stirring applications Applications . Boiling Water Water Oil Bath Preparation Sample and Solution Preparation Dissolving Buffers and Reagents Preparing Media Concentrating Samples Display . Backlit LCD Display for temperature and speed green indicator lights when unit is heating and stirring prominent hot top indicator light probe in use icon Single Point Calibration icon Design Features . Hot top indicator light audible alarm SafetyHeat protection shuts off the heater in the event of a malfunction temperature calibration feature for 3 probe and 3 plate setpoints Construction . Probe connection SmartHousing stays cool to the touch and is chemical resistant IP21 Ingress Protection polycarbonate front panel control knobs On Off switch for heater disconnect built in support rod holder easy to clean ceramic or aluminum tops Operation . Stirring from 60 to 1600 rpm Temperature range of ambient 5 C to 500 C ceramic top or 380 C aluminum top power cord included stirring models include a 15 38 cm PTFE coated stir bar Specifications . Function Heating and Stirring. Capacity 15 L. Plate Construction Ceramic. Plate Size 7 x 7 in . Temperature Range Ambient 5 C 500 C.