LD103/LD302

The Londian LD103 (single-phase) and LD302 (three-phase) smart electricity meters are engineered to meet advanced metering infrastructure (AMI) requirements through a unified technical architecture. Both models are built upon the DLMS/COSEM protocol suite (IEC 62056), ensuring standardized object modeling and interoperable communication. They implement secure, bidirectional data exchange with embedded encryption and authentication mechanisms, supporting remote configuration, real-time data collection, and control functionality. The hardware platform employs high-precision measurement circuits and robust isolation design, delivering reliable performance across varied grid conditions while maintaining long-term measurement stability.