光電效應演示器可完成下列演示實驗內容：1、演示光電效應的現象；2、驗證光陰極受光照后發射的是帶負電荷的電子；3、演示光強與光電流的關系；4、演示光電管的極限頻率；5、演示光電管的伏安特性曲線；6、演示光電管的應用。該儀器使用電壓表、電流表指示，光源采用低壓且分檔調節。
J2517 Photoelectric Effect Demonstrator
It can be demonstrated following the completion of demonstration experiment: 1, demonstrated the phenomenon of the photoelectric effect; 2, verify that time by a very light after the launch of the negative charge is to bring electronic; 3, light intensity and light presentation of the current relationship; 4 , Demonstrated the limits of optical frequency control; 5, presentation of the phototube V curve; 6, phototube presentation applications. The instrument used voltmeter, ammeter instructions, using low-voltage light sources and sub-file-conditioning.