Function and Application
Device for the examination of the photoeffect and the determination of Planck's constant. Vacuum photocell mount into a housing with detachable metal cover.
Technical Data
- Shutter slide with three positions: round opening, entrance slit, shut
- The housing has a mount where interference filters or lens holders can be fit on
- The floor of the housing possesses two holding magnets and a 6 mm thread for the holding rod
- 4 mm sockets for electrical connections
- Cell acive diameter : 15 mm
- Wavelength range: 185...650 nm
- Highest sensitivity at: 340 nm
- Cathode material: Cs-Sb
- Sensitivity: 110 µA/lm or 70 mA/W
- Maimum cathode current: 6 µA
- Maximum voltage: 100 V
- Operating voltage: 15 V
- Dark current at 15 V: 2,0 pA
- Cell capacity: 2 pF