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Electricity Meter

Three Phase Smart SMP306 (CT) Electricity Meter

The Three Phase Smart SMP306 (CT) 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.

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Technical specification

Three Phase Smart SMP306 (CT) Electricity Meter

Optimizes utility operations, enhancing greater efficiency, simplicity, and sustainability.

Standards and Compliance:

·       IEC 62052-11: General requirements, tests, and test conditions for electricity metering equipment (a.c.).

·       IEC 62053-22: Specific requirements for static meters for AC active energy (classes 0.1S, 0.2S, and 0.5S).

·       IEC 62053-24: Specific requirements for static meters measuring fundamental component reactive energy (classes 0.5S, 1S, 1, 2,and 3).

·       DLMS/COSEM: Device Language Message Specification and Companion Specification for Energy Metering.

Product Features:

• 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.

• Anti-dropping design for terminal holes and screws.

Key Functions:

Measurements:

• kWh/kvarh (import, export, and absolute)

• Maximum kW/kvar demand (import, export)

• Cumulative kW/kvar demand (import, export)

• Per-phase instantaneous values:  voltage, current, phase angle

• Total and per-phase instantaneous values: active power, reactive power, power factor

• Current date and time display

• Frequency measurement

• Optional neutral line current measurement

Billing:

• 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.

Load Profiles:

• Records up to 100 days of 15-minute load profiles with 16 channels, on a FIFO basis.

• Configurable load profile intervals from 1 to 60 minutes.

LCD Display:

• 8-digit LCD with three decimal points for power and demand, and two decimal points for energy; decimal points are programmable.

• LCD size exceeds 14 cm², with digit height of 10mm.

• Supports both scrolling and manual modes for displaying items, accessible via a push button.

Tariff Functions:

• 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, 16 switches, and 100 special days.

• Up to 32 energy tariff and 32 demand tariff registers.

• Battery or supercapacitor to  maintain clock and calendar functionality.

Power Quality:

• 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.

 

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.

Communication:

• 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  supercapacitor capable of sending a "last gasp" message to the AMI central system.

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