Dual measurement, anti-tamper design, bottom-in/bottom-out connection

The DDSY23S-G single-phase DIN rail STS prepayment meter consists of an MCU and a UIU, which communicate via PLC, RF, or cable. Users may query MCU data and input tokens through a UIU installed in households. Its two-element dual measurement ensures strong anti-tamper performance. The meter connection is bottom-in and bottom-out.