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The Three Phase Smart SM307 (CT/VT) Electricity Meter is an advanced metering solution for modern utility infrastructure, offering accurate energy measurement, comprehensive billing, and power quality monitoring. With flexible plug-and-play communication, multi-tariff support, and robust anti-tamper features, it enhances operational efficiency, reliability, and sustainability.
The Three-PhaseSmart CT/VT Meter is a versatile and highly efficient solution for precise energy measurement in high-voltage applications. It supports multiple tariffs, load profiling, and real-time power quality monitoring, ensuring optimized utility operations. With dual communication modules and advanced anti-tamper features, it provides secure, remote access for enhanced grid management.
Dual plug-and-play communication modules.
Large LCD display for real-time meter monitoring.
Non-volatile memory for data retention without a backup battery.
Support for local and remote firmware upgrades.
•kWh/kvarh (import,export, and absolute).
•Maximum kW/kvar demand(import, export).
•Cumulative kW/kvar demand(import, export).
•Instantaneous per-phase values for voltage, current, and phase angle.
•Total and per-phase instantaneous values for active power, reactive power, and power factor.
•Real-time date and time display.
•Frequency measurement.
•Time of Use(TOU) measurement for import/export energies (kWh/kvarh) and import/export demands (kW/kvar), supporting up to 4 tariffs, 12 seasons, 12 weeks, 16switches, and 100 special days.
•Up to 32 energy tariff and 32 demand tariff registers.
•Battery or super capacitor to maintain clock and calendar functionality.
•10-digits LCD with three decimal points for power and demand, and two decimal points for energy; decimal points are programmable.
•LCD size exceeds 24 cm², with digit height of 12mm.
•Records up to100 days of 15-minute load profiles with 16 channels, on a FIFO basis.
•Configurable load profile intervals from 1 to 60 minutes.
•Automatic monthly billing reset at 00:00:00 midnight on the 1st of each month, with configurable settings.
•Manual billing reset via demand reset button.
•Remote billing reset from the AMI central system.
•Storage of up to 12 months of billing data in the meter's memory.
•Voltage unbalance detection.
•Current reverse detection.
•Over-voltage and under-voltage detection with configurable time thresholds.
•Long and short outage detection with configurable time thresholds.
•Over-current detection with configurable time thresholds.
•All power quality events are recorded in the meter's memory.
•Supports both scrolling and manual modes for displaying items, accessible via a push button.
ANTI-TAMPER FEATURES
•Detection of tampering events such as meter cover, terminal, and module cover opening, external magnetic fields, bypassing, etc.
•Tamper alarms displayed on the LCD and LED indicators.
•All tamper events are logged in the meter's memory and reported remotely to the AMI central system
•Full compliance with DLMS/COSEM and IEC 62056-21 standards for optical ports.
•Plug-and-play modules for PLC (G3, BPLC, HPLC), RF, 2G, 3G, and 4G communication.
•RF/2G/3G/4G module with a super capacitor capable of sending a "last gasp" message to the AMI central system.
