... of high accuracy, transmission distance, good anti-jamming.3. industrialized system docking.According to the user needs to ... the controller: RBK-6000-2,RBK-6000-6 gas alarm controller Detection range :12-15 square, combustible gas ... ; 2, to the air intake, ventilation fans, door air volume flow; 3, water vapor, and more water droplets ≥ 95% ... ; 5, strong electromagnetic fields. Hydrogen Gas Leakage Alarm