The ICMobserver is a versatile, state-of-the-art monitoring system that combines four devices in one solution a spectrum analyzer, time domain oscilloscope, voltage measurement unit, and PD monitor. It integrates high quality analogue front-end technology with advanced digital signal processing to deliver enhanced noise handling and in-depth asset condition analysis through parallel PRPD patterns on all channels. With its modular hardware and software design, the system is fully expandable for future applications such as dissolved gas analysis (DGA), temperature monitoring, and load surveillance providing a comprehensive and scalable monitoring platform.