HDB-1型防爆电话机 HOB-1防爆耦合器
适用范围
●爆炸性气体混合物危险场所：0区、1区、2区
●爆炸性气体混合物：IIA、IIB、IIC
●温度组别：T1-T6
● 户内、户外
产品功能
该话机为本质安全型，具有普通电话机功能外，还具有全电子无触点感应功能，电路采用特种技术，强震铃，功耗小。话机与关联设备HOB-1型防爆耦合器配套，与交换机连接，组成防爆通讯系统。
主要技术参数
| 型 号 | 振铃电压 | 振铃电流 | 铃 声 | 防爆标志 | 防护等级 | 外形尺寸 | 关联设备 |
| HDB-1 | ≤48V | ≤25mA | ≥92dB | ExiaIICT6 | IP54 | 220×150×75mm | HOB-1型防爆耦合器 |
Application
●For the dangerous sites with explosive air mixture:0division、1division、2division.
●For explosive air mixture:IIA、IIB、IIC
●Temperature classification:T1-T6
●Indoor、outdoor
Product function
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. 
