Poly Phase advance meter with integrated GSM/GPRS modem can be used across a variety of applications from large commercial installations to substation metering.
 The type ST7400 industrial and substation terminal unit is our new system component for the AMM/AMR solution, which integrates four functions in one device: an extremely flexible advanced electricity meter, a multi-energy data collector, a remote two-way communication node, and a powerful interface to enable end user interaction.
·High accuracy of IEC standards, class 0.2,class 0.5 and class 1.0
·Measurement of active (kWh), reactive (kVARh) and apparent (kVAh) energy in at least 4 tariffs. Max demand and Cumulative demand calculation with time stamp
·Up to 4 tariffs per day and 12 time zone support.
·Up to 12 period history data records
·Precision internal real time clock (RTC) with backup long-life Li-battery
instantaneous per phase values of voltage, current, system kW, kVAR, and kVA
Key features
·Additional 2 relays on board for remote control(option)
·Nonvolatile memory for energy data
·Up to 4 MB extended flash memory for load profile
·Large-dot LCD information auto-scrolling display, back light easy for reading
·Event log with circular memory buffer to store up to 100 events
·Self-diagnostics function
·Low self-consumption and long life operation
·Polycarbonate case and IP54 protection
Interface and Communication
·PLC, Zigbee or GSM module extend for AMR/AMM system (option)
·Available with RS-232, RS-485, and future communication options
·Data readout by optical port according to IEC 62056-21 (IEC61107 protocol support) data with OBIS identifiers (IEC 62056-61)
·IrDA communication with HHU(Hand Held Unit) over 5m distance (option)
4 independent loop RS-485 communication ability (IEC61107 protocol support)
·DIN-S0 Pulse output for kWh,kvarh, high-light LED indicated for accuracy test
 Product brochure
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