GD-19型紫外光敏管是一种高电压大功率紫外探测器,工作电压为交流700伏,工作电流18毫安,响应波长在1900埃至2900埃,输出功率为5瓦,可以直接驱动继电器输出。我国北京、天津、南京、青岛、大庆等热电厂七十年代从国外引进的十几套发电设备中采用 GD-19 UV light-sensitive tube is a high-voltage high-power UV detector operating voltage of 700 V AC, operating current of 18 mA, the response wavelength of 1900 angstroms to 2900 angstroms, the output power of 5 watts, you can directly drive the relay Output. China’s Beijing, Tianjin, Nanjing, Qingdao, Daqing and other thermal power plants in the seventies introduced from abroad more than a dozen sets of power generation equipment used