3B Scientific U8482415 Vacuum Photocell
Category: Toys & Games | Learning & Education | Science Kits & Toys
Price: $355.00
Model number: U8482415
Shipping weight: 9.6 ounces


Technical details: Other Documentation User Manual
Evacuated photocell for demonstrating the photoelectric effect and showing that the emission of electrons increases with increasing light intensity. Mounted ready for use on a connector base with electrical wiring and shaft. Cathode: Caesium on oxidized silver. Cathode area: 2.4 square centimeters. Operating voltage: 50 volts, maximum 200 volts, Working resistance: 1 megaohm. Dark current: Less than 0.05 microampere. Sensitivity: 20 microamperes/lumen. Photoelectric current density: max. 3.0 microampere/ square centimeters.