American Scientific, LLC · Columbus, Ohio · Exclusive U.S. Distributor of PHYWE Systems
American Scientific, LLC · Columbus, Ohio · Exclusive U.S. Distributor of PHYWE Systems
Your students measure the elementary charge themselves and see charge quantization in their own data.
The Millikan apparatus is used for the precise determination of the elementary charge of electrons. Using oil droplets suspended in an electric field, the forces acting on individual droplets can be measured, allowing the electron charge to be determined experimentally.
| Capacitor plate spacing | 2.5 mm |
| Maximum capacitor voltage | 500 V DC |
| Total magnification | 100× |
| Base plate dimensions (mm) | 140 × 60 |
All units adapted for 110V/60Hz. Contact us for volume pricing and grant assistance.
Each click measures one droplet. Watch the charges pile up at whole multiples of e.
Bring this to your lab →A fine oil mist is sprayed between the capacitor plates, where droplets pick up small electric charges.
Through the 100× microscope, students time droplets rising and falling as they adjust the voltage across the 2.5 mm plate gap.
Each droplet's charge lands on a whole-number multiple of the same value: the elementary charge, about 1.602 × 10⁻¹⁹ C.
Typical student results: measured droplet charges cluster at whole multiples of e (illustrative).
Yes. Units supplied through American Scientific are adapted for 110V/60Hz and supported in the U.S., including warranty and replacement parts.
Tell us about your lab in the form above and we'll put together a complete, ready-to-teach configuration, so nothing is missing on day one.
Often, yes. Many institutions fund PHYWE equipment through NSF, Title IV and CTE programs, and our team can help you find and apply for the right opportunity.
