Arrester action current amplitude monitor

The utility model discloses an arrester action current amplitude monitor, which comprises an action counting sensor, a counting/triggering circuit, a data output interface circuit, a voltage reference circuit, a singlechip, a display and a power source, wherein the action counting sensor is connected with the counting/triggering circuit, the counting/triggering circuit is output to an interface of the singlechip, the singlechip outputs signals to the data output interface circuit, the singlechip is connected with the voltage reference circuit and the display, and the power source provides the working power source for the monitor. The monitor also comprises a thunder and light amplitude sensor and a passive integrating circuit, wherein the thunder and light amplitude sensor is connected with the passive integration circuit, and the passive integration circuit is output to the interface of the singlechip. The arrester action current amplitude monitor disclosed by the utility model has a small size and low power consumption, is easy to carry and install, can be used for monitoring the action counting, the action current amplitude and other operation conditions of a circuit arrester in real time, and remotely transmitting the monitored data to a monitoring center on duty wirelessly at any time.