Our Ring Main Unit (RMU) Partial Discharge Sensor is a self-developed monitoring product tailored for the characteristics of outdoor RMU cabinets. This device integrates data collection and analysis of ground waves, ultrasonic waves, temperature and humidity, etc. Designed with the challenges of low-voltage power supply, difficulty in power shutdown, and installation, the device utilizes high-performance batteries, wireless communication, adhesive installation, and various anti-interference measures to ensure quick installation and stable operation. Through this product, managers can remotely monitor and manage the partial discharge status of all RMU cabinets.