防爆電話機，一、使用范圍:本產品適用于‖A、‖B、‖C類T1~T6組爆炸性氣體場所,可廣泛用于石油、化工、煤礦、油輪、化纖等行業中含易燃易爆危險場所為通訊之用  . T4:135度   T6：85度 哪家防爆電話質量好，聽說渝榮防爆電器還可以。本產品是用在易爆易燃場所，如化工廠，酸堿腐蝕，加油站，加氣站，地鐵站

                                                                                                                                                                                                                   二、工作環境:
a.環境氣壓86~106KP防爆電話跟普通的電話功能是一樣的，通過高度封膠，不讓火花和電磁場往外泄漏來達到防爆的效果a;                                                                                          b.運行環境溫度為-10~40℃;    
c.周圍空氣相對濕度為10%~9785%;                                                                                                    d.含有‖A、‖B、‖C類T1~T6組爆炸性氣體場所;                                                                                                        e.環境噪聲:∠60dB;          
f.無滴水、無腐蝕氣體場所.