Heating mentle Model GLHMS built in magnetic stirrer, heating and stirring can be performed simultaneously or separately. There is a products installed temperature voltage controller with proportional voltage control type. It offers a heating element temperature with a maximum of 450?. It has a mantle woven glass fiber mat, thermal insulation asbestos free ceramic wool and Ni Cr wire heating element.The built in automatic thermal protector prevents fire. The range of the stirring speed is 50 to 1,200 rpm. It offers a DC motor with magnetic stirrer which is stepless electronic and proportional voltage control type.