Lab Hot Plate and Magnetic Stirrer - Home Science Tools
3. The farther you rotate the knob, the faster it will spin to stir your solution. You can control the stirring speed between about 120 and 1400 rpm. The magnetic stirrer can be used with or without the hot plate on. 4. To turn off the magnetic stirrer, rotate the knob counter-clockwise until you hear a click and the white mark is pointing down.
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