●For the dangerous sites with explosive air mixture:1division、2division.
●For explosive air mixture:IIA、IIB、IIC
●Temperature classification:T1-T6
●Indoor、outdoor | The explosion-proof type of the telephone is increase safety.The telephone has the function of normal telephone and has the function of electronics and no contact of inducting.The circuit use special technology.The telephone is used with the explosion-proof coupling of HOB-1 and connect to program controlled switch to form explosion-proof communication system. |
检测认证人脉交流通讯录
