Sulfur hexafluoride gas full life state on-line monitoring system and method

The invention is suitable for the technical field of sulfur hexafluoride gas on-line monitoring, and provides a sulfur hexafluoride gas full life state on-line monitoring system and method. The system is characterized in that each sulfur hexafluoride gas detection unit is arranged in a corresponding sulfur hexafluoride gas storage device for detecting gas state data of sulfur hexafluoride gas stored in corresponding sulfur hexafluoride gas storage device; each weighing unit is used for weighing the corresponding sulfur hexafluoride gas storage device; each gas metering unit is connected with the corresponding sulfur hexafluoride gas storage device and is used for metering the flow of the sulfur hexafluoride gas; an upper computer unit is used for managing the gas state data sent by the lower computer unit, the weight of the sulfur hexafluoride gas and the flow mass of the sulfur hexafluoride gas to form a corresponding ledger for management, so that accurate online monitoring data of the full life state of th