Fault detection device and fault detection method for electric power metering equipment

The invention discloses a fault detection device and a fault detection method for electric power metering equipment. The fault detection device comprises a reading module which is in communication connection with the electric power metering equipment and is used for reading an operation number from the electric power metering equipment; the measurement module is electrically connected with an operation loop where the electric power metering equipment is located, and is used for measuring real-time electric signal parameters of the loop where the electric power metering equipment is located; and the fault analysis module is electrically connected with the reading module and the measurement module, and is used for judging the abnormal working type of the electric power metering equipment according to the operation parameters and the real-time electric signal parameters, and prompting the abnormal working type. The device can replace manual troubleshooting, troubleshooting errors are reduced, and troubleshooting