Fault diagnosis method for metering equipment

The invention discloses a fault diagnosis method of metering equipment, and relates to the technical field of fault diagnosis of intelligent metering. The specific embodiment of the method comprises the following steps: receiving a diagnosis request of to-be-diagnosed metering equipment; the historical calibration certificate is preprocessed, and structured environment features and project features are determined; inputting the environment features and the project features into a pre-trained fault diagnosis model; determining a target diagnosis result of the to-be-diagnosed metering equipment according to the output of the fault diagnosis model; wherein the target diagnosis result comprises a predicted fault position and a predicted fault degree of the to-be-diagnosed metering equipment in the target prediction time. According to the embodiment, the existing metering big data can be analyzed, so that the health condition of each metering device is monitored, and the fault condition of the metering device is d