The DDSY23S-G single-phase DIN rail STS prepayment energy meter consists of a MCU and a UIU, which communicate via PLC/RF/cable. User may query MCU data and input token through a UIU installed in households. Its two-element dual measurement proves strong anti-tamper performance. The meter connection is bottom-in and bottom-out.
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The DDSY23S-D single-phase STS prepayment meter is developed according to IEC62055-31 and STS certified. It adopts dual measurements and raises the bar on tamper detection. It supports pluggable COM modules such as RF, GPRS/3G & PLC. This DLMS/COSEM compliant meter can be disconnected or reconnected remotely. It switches between the prepaid and post-paid modes and allows remote and local top up.
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The DDSY23S-B single-phase STS prepayment meter is developed according to IEC62055-31 and STS certified. It switches between the prepaid and post-paid modes. It can be standalone or used with wired/RF UIUs.
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The DTSY23S-B three-phase four-wire STS prepayment meter complies with the international STS and DLMS/COSEM. It can be integrated into Star prepayment system and Star AMI system with hot-pluggable RF, GPRS/3G and PLC modules.
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The DDSY23S-F single-phase DIN railSTS prepayment meter is developed according to IEC62055-31 and STS certified. It switches between the prepaid and post-paid modes and incorporates an optical port compliant with IEC62056-21. Dual measurement is adopted. Wired/RF/PLC UIUs are optional.
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