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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