Measure the charge-to-mass ratio of the electron with a precision Helmholtz coil setup.
Fill the form — we’ll respond with a proforma invoice, INCOTERMS variations and lead-time within one business day.
Determine elementary charge by observing charged oil droplets in an electric field.
Determine Planck’s constant using six narrow-band visible LEDs and a precision voltmeter.
Classical photoelectric apparatus with shielded photodiode and constant-current source.
