The UND212 is a single-phase DIN rail meter complies latest STS standard, with split UIU, ensuring secure and flexible revenue management for residential customers. This meter supports seamless switching between prepaid and postpaid modes. 

In addition to measuring bidirectional energy, the meter supports Time-of-Use (TOU) billing, load profiling, power quality monitoring, and advanced tamper detection. With features such as internal relay, alarm notifications, and compliance with international standards, the UND212 ensures reliable performance for smart grid applications.