甲烷氣體變送器/在線甲烷氣體檢測儀/固定式甲烷氣體檢測儀型號： WS119-CH4

產(chǎn)品簡介 
WS119-CH4變送器，靈敏度高，響應(yīng)時間迅速，本品為鋁壓鑄一次成型外殼，防爆等級高，安裝方便。廣泛使用于，冶鐵煉鋼，氯氣廠，乙炔廠，制冷車間，化工車間，燃氣站區(qū)，鍋爐房，酒店廚房操作間等需要防毒防火防爆的工業(yè)場所。 
產(chǎn)品特點 
◆ 采用高性能催化、進口電化學(xué)檢測元件 
◆ 具有良好的重復(fù)性和抗?jié)駵囟雀蓴_性 
◆ 性能穩(wěn)定，靈敏度高、使用壽命長 
◆ 體積小、操作方便 
◆ 輸出（4～20）mA標準信號  或 開關(guān)量輸出（無源觸點）    
◆ 可與公司生產(chǎn)的QD系列報警控制器配套使用 
◆ 采用三線制結(jié)構(gòu)，由監(jiān)控儀表或控制器遠離現(xiàn)場察看探測結(jié)果 
◆ 工作電壓范圍寬: DC24V±25% 
技數(shù)參數(shù) 
◆檢測原理：催化燃燒式 / 電化學(xué)式  /紅外原理                                                                              
 ◆采樣方式：自然擴散                                                                                                      
 ◆防爆等級：EXdⅡCT6                                                                                                    
◆環(huán)境濕度：< 98%RH                                                                                                    
 ◆電    源： DC24V 50mA                                                                                               
 ◆輸    出： 三線0/4-20mA    開關(guān)量輸出（無源觸點）RS485總線                                                                                        
 ◆重    量： 約1200g                                                                                                        
◆外型尺寸：I*b*h，mm: 150*150*60                                                                            
◆安裝鑼紋：G 1/2                                                                                                          
◆使用電纜：>1.5mm2 x 3