TPY8000 series SF6 gas leakage intelligent monitoring and alarm system is an intelligent online monitoring system designed and developed in accordance with the "SF6 Safety Regulations" to provide personal health and safety protection for the staff in the power distribution device room where SF6 equipment is installed. It mainly detects the SF6 gas concentration and oxygen content in the switch room. When the SF6 gas content in the environment exceeds the standard or is lack of oxygen, it can alarm in real time and automatically turn on the ventilator for ventilation.