DTZY1789-Z/D/G/C/4G Three Phase Prepayment Smart Meter

Overview

It is a high-precision three-phase prepayment smart meter under Friendcom’s AMI Solution Products line, designed to meet State Grid requirements. Centered on energy measurement, it extends capabilities including information storage & processing, real-time monitoring, automatic control and information interaction.

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Features

  • 1. Measures forward/reverse active energy and four-quadrant reactive energy, calculates combined active and reactive energy; supports 4 tariffs and separate A/B/C three-phase measurement.
  • 2. Records forward & reverse maximum power demand plus the corresponding occurrence date and time.
  • 3. Adopts sliding maximum demand measurement; demand cycle and sliding time are configurable.
  • 4. Supports 12 rates and 14 annual time zones; allows custom special tariff periods for holidays and public holidays.
  • 5. Independent physical communication channels (RS485, infrared, PLC, micro-power wireless, GPRS); single channel damage does not disrupt others.
  • 6. All stored data can be retained for over 10 years after power loss; supports data initialization, event clearing, demand initialization and event log recording.
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  • Specification Table

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