性能                                                                      结构特性   
检测气体：甲烷、丙烷                                         壳体材料：铸铝   
采样方式：扩散式                                                连接螺纹：M20*1.5,1/2NPT内螺纹   
测量范围：3%LEL~100%LEL                                             （可选G1/2转接接头）  
准 确 度：±3%LEL                                               重    量：1KG（不带防爆声光灯）   
重 复 性：±3%LEL                                                              1.5KG（带防爆声光灯）  
响应时间：≤30秒                                                 外形尺寸：L165mm*W127mm*H82mm   
恢复时间：≤30秒       
显示方式：专用数码管显示       
执行标准：GB 15322.1-2019       

电气使用环境                                                       电气性能   
防护等级：IP66                                                   供电电源：DC24V±6V   
温度范围：-40℃~+70℃                                      功    耗：<2W(不带防爆声光灯)   
湿度范围：20%~95%RH                                                    <4W(带防爆声光灯)  
压力范围：86~106KPa                                        信号传输方式：RS485四总线信号（24V、0V、S+、S-）可选   
                                                                                                      4~20mA三线制（24V、0V、S+)可选
订货制造号：                                                                                TBUS两总线（S+、S-）可选
四总线：RS485                                                    控制输出接点：继电器（1A@24VDC）   
三线制：4~20mA                                                 声光报警（96dB@0.1米处）   
两总线：TBUS                                                     信号传输距离：≤1500m(2.5mm2)