THE STIRRER SPUN THE MAGNET AND CREATED A VORTEX. THE ADJUST KNOB CONTROLLED THE SPEED OF THE MAGNET.THE STIRRER SOUNDS LIKE IT WANTS TO WORK BUT DOESN'T. STIRRER WORKS BUT MAKES A GRINDING SOUND WHEN SPINNING. I DO NOT KNOW HOW TO CORRECTLY TEST THESE. SOME OF THE TOPS ARE TILTED.
7 10100 THERMOLYNE HOT PLATE STIRRERS" is in sale since Saturday, August 28, 2021. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers". The seller is "azmom*01" and is located in Gilbert, Arizona. This item can be shipped worldwide.