甲烷气体变送器/在线甲烷气体检测仪/固定式甲烷气体检测仪型号： WS119-CH4

产品简介 
WS119-CH4变送器，灵敏度高，响应时间迅速，本品为铝压铸一次成型外壳，防爆等级高，安装方便。广泛使用于，冶铁炼钢，氯气厂，乙炔厂，制冷车间，化工车间，燃气站区，锅炉房，酒店厨房操作间等需要防毒防火防爆的工业场所。 
产品特点 
◆ 采用高性能催化、进口电化学检测元件 
◆ 具有良好的重复性和抗湿温度干扰性 
◆ 性能稳定，灵敏度高、使用寿命长 
◆ 体积小、操作方便 
◆ 输出（4～20）mA标准信号  或 开关量输出（无源触点）    
◆ 可与公司生产的QD系列报警控制器配套使用 
◆ 采用三线制结构，由监控仪表或控制器远离现场察看探测结果 
◆ 工作电压范围宽: DC24V±25% 
技数参数 
◆检测原理：催化燃烧式 / 电化学式  /红外原理                                                                              
 ◆采样方式：自然扩散                                                                                                      
 ◆防爆等级：EXdⅡCT6                                                                                                    
◆环境湿度：< 98%RH                                                                                                    
 ◆电    源： DC24V 50mA                                                                                               
 ◆输    出： 三线0/4-20mA    开关量输出（无源触点）RS485总线                                                                                        
 ◆重    量： 约1200g                                                                                                        
◆外型尺寸：I*b*h，mm: 150*150*60                                                                            
◆安装锣纹：G 1/2                                                                                                          
◆使用电缆：>1.5mm2 x 3