... mix liquid precisely and stably in mide speed range,especially fit little samples experiments. It is ... ewironment-protecting,biochemistry,test analysis educational scientific research. Magnetic Electric Stirrer1. Simple&easy use, reliable, large capacity, ... Since 1984 Specifications of 85-2 Laboratory Magnetic Electric StirrerPower SupplyAC 220V/110V 50Hz/60HzSpeed0-2400rpmMotor powers40WHeating ...