测量原理：紫外DOAS（SO2、NO、NO2）（根据客户可选择）      

量程：

   

精    度：≤±5%F.S                                                                    
分 辨 率：0.1                                                                      
重  复 性：≤±3%F.S                                                                  
稳 定 性：零点漂移≤±3％F.S/7d                                            
               量程漂移≤±3％F.S/7d                                                     
响应时间：T90≤30S                                                                   
存储间隔：1s-99min                                                                            
存储点数：百万条+                                                                         
仪器寿命：整机6年（正确操作使用条件下）                                                                                                  
工作电压：220V～240VAC，50\60Hz                                                                       
整机功耗：≤10W                                                                 
触点输出：双继电器输出220V AC,2A或24V DC，1A                                                                               
触点容量： 220VAC，2A/24VDC，1A                                                                              
数字信号：标准的RS485/RS232，可与计算机实现双向通讯                                                                 
模拟输出：隔离4～20mA标准信号，负载电阻小于500欧（0～10V可选）                                                                                                                    
安装方式：嵌入式安装                                                                            
外形尺寸：482mm（宽 ） × 136mm（高 ） × 370mm（深）                                     
开孔尺寸：440mm（宽）×136mm（高）                                                
进出气口：Φ6卡套（可根据客户订制）                                                                                          
整机重量：约8kg                                                                                                                                    
环境温度：－25℃～＋55℃                                                               
环境湿度：≤90%RH                                                                      
入口压力：0.05 MPa≤入口压力≤0.25Mpa                                                
样气流量：(400±50)mL/min                                                              
样气要求：无尘、无水、无油

采用紫外吸收光谱气体分析技术和化学计量学算法，探测下限低、温漂小;

2、可直接测量NO和NO2得到NOx，无需转换炉，提高了系统的可靠性;

3、紫外无水分吸收，不受水分、粉尘干扰;

4、关键部件为进口采购，技术成熟，可靠性高;

5、自动调节光谱技术、免维护周期长等;

6、兼容性强，分析仪可同时测量5个组分;

7、分析仪支持双量程，量程比可达1:10。

广泛应用于环保在线监测、工业控制、安全监测等场合