论文部分内容阅读
上海市松江电子仪器厂开发生产的 JB- QGZ-2 0 0 2 /2 0 0 (～ 4 80 0 )系列火灾报警控制器和 JB- YX- 96液晶汉显式火灾显示盘分别简介如下 :一、JB- QGZ- 2 0 0 0 /2 0 0 (～ 4 80 0 )系列火灾报警控制器 (联动型 ) 技术指标电源电压 :交流主电 AC2 2 0 V,5 0 Hz;直流备电
Shanghai Songjiang Electronic Instrument Factory development and production of JB-QGZ-2 0 0 2/2 0 0 (~ 4 80 0) series of fire alarm controller and JB- YX- 96 liquid crystal display of Chinese fire were briefed as follows: a , JB-QGZ-200/080 (~ 4 80 0) series of fire alarm controller (linked type) Specifications Power supply: AC mains AC2 2 0 V, 50 Hz; DC backup power