This Digital Millikan Apparatus provides clear visibility of spheres and conducts determinations in two different ways.

Provides clear visibility of spheres and conduct determinations in two different ways using this high-quality unit. Either allow a selected sphere to fall through a measured distance with no electric field present, then apply an electric field and observe the velocity of the rising sphere — or — you can allow a sphere to fall freely, then apply a high-voltage field until the sphere is suspended. Built in to this top-quality, compact tabletop unit are all the accessories you need to perform Millikan experiments — a microscope, an illuminator, a 0-500 VDC voltmeter, oil solution, and all the necessary power inputs. Simply carry it to a lab table, plug it into a 110 VAC outlet, and it’s ready to use. For added convenience, the spray bottle system features a reservoir that attaches to the top of the unit so you don’t have to look away during the experiment. Controls include an on-off switch, a polarity-reversing switch, a potentiometer for fine control of plate voltages, and a voltmeter for indicating plate voltage. A digital voltmeter also provides easy and accurate readings.

• Precision Microscope Optics
• Easy-To-Adjust Voltage Setting
• Polarity-Reserving Switch
• Potentiometer
• Voltmeter

Users can allow a selected sphere to fall through a measured distance with no electric field present then apply an electric field and observe the velocity of the rising sphere. They could also allow a sphere to fall freely then apply a high-voltage field until the sphere is suspended. Built-in to this compact tabletop unit are all the accessories you need to perform Millikan experiments, including a microscope, an illuminator, a 0—500VDC voltmeter, and all the necessary power inputs. Pure olive oil is recommended, but not included.

Once it's on a lab table and plugged into a 110VAC outlet, it is ready to use. For added convenience, the spray bottle system features a reservoir that attaches to the top of the unit, so you don’t have to look away during the experiment. Controls include an on-off switch, a polarity-reversing switch, a potentiometer for fine control of plate voltages, and a voltmeter for indicating plate voltage. A digital voltmeter also provides easy and accurate readings.