●For the dangerous sites with explosive air mixture:0division、1division、2division.
●For explosive air mixture:IIA、IIB、IIC
●Temperature classification:T1-T6
●Indoor、outdoor | The explosion-proof type of the ephone is increase safety.The ephone has the function of normal ephone and has the function of electronics and no contact of inducting.The circuit use special technology.The ephone is used with the explosion-proof coupling of HOB-1 and connect to program controlled switch to form explosion-proof communication system. |
