Miniature Rogowski coil metering device

The utility model provides a miniature Rogowski coil metering device, which comprises an integrated circuit and specifically comprises a power supply circuit, a sampling circuit, a communication circuit, a metering circuit and an LED indicating circuit, and the power supply circuit is respectively connected with the communication circuit and the metering circuit and outputs a low-voltage power supply to the communication circuit and the metering circuit. The communication circuit and the metering circuit are in communication connection with each other and are both connected with the LED indicating circuit, the sampling circuit comprises a voltage sampling circuit and a current sampling circuit and is connected with the metering circuit, and the current sampling circuit comprises Rogowski coil sampling input. The device can be matched with a circuit breaker or an air switch, has an integrated design, can realize metering, alarm and other functions with a very small volume, and has the characteristics of real-t