ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
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
