1. Overview
The system collects and monitors the working status of the oil and gas recovery device in the gas station in real time, mainly monitors the gasoline refueling gun, the gas-liquid ratio, the pressure of the oil and gas recovery system, the working condition of the processing device and the concentration of oil and gas emissions. The Internet of Things technology is used to realize the simultaneous online monitoring and management, early warning analysis, etc. of the oil and gas recovery data of multiple gas stations.

2. Features
1. Full wireless solution, no wiring required, quick and easy installation and deployment;
2. High flow measurement accuracy and wide range ratio. Using high-precision positive displacement flowmeter, the measurement accuracy is 0.1, and the range ratio is 15:1;
3. Full life cycle operation and maintenance platform. Support remote status monitoring, fault prediction, abnormal information push, remote fault diagnosis, remote maintenance;
4. Realize the seamless connection between the station-level monitoring platform and the supervision department (environmental protection bureau) platform, and support the HJ212 communication protocol;
5. The system has data sharing and open interconnection (regulatory departments, enterprises, operating units, manufacturers, etc.).