The Ohaus e-G31HS07C 230V AM Guardian 3000 Hotplate and Stirrer is designed for heating and stirring, featuring a speed range of 80 rpm to 1600 rpm and an ambient temperature range of + 41°F to 932°F. This unit also provides users with a top plate size of 7 x 7 in. and a backlit LCD for temperature and speed. A spill-resistant design extends the life of this hotplate stirrer, allowing it to be used in harsh conditions. Clean up messes easily with a smooth, chemical-resistant full ceramic top. Users can refer to a bright ISO standard hot caution symbol to monitor when the top plate temperature is over 104°F for caution while in use. Users are provided with an early detection system that uses two independent safety controls to continuously monitor the electronics and shut off to avoid an overtemperature. Easily reach the on/off switch with a rocker switch to power the unit on/off, which is protected by an enclosure to prevent spills from damaging the switch.