Ror fire alarm Ahr 871

Specification of

the characteristics of the Heat sensors can operate for an unlimited number of alarm panels in one loop. And is not affected by the temperature of the room, use a layer of gold to avoid oxidation. Using glass tubes to avoid moisture and stabilizing function of ventilation. glass tubes can also dissipate heat non-api to avoid false alarms. The unit is completely sealed; its function is not affected by moisture, dust or insects.