光电效应演示器可完成下列演示实验内容：1、演示光电效应的现象；2、验证光阴极受光照后发射的是带负电荷的电子；3、演示光强与光电流的关系；4、演示光电管的极限频率；5、演示光电管的伏安特性曲线；6、演示光电管的应用。该仪器使用电压表、电流表指示，光源采用低压且分档调节。
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.