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Secure Brand Sprint 231 Smart Meter


The Sprint 231 Smart Meter by Secure Brand is a single-phase, three-element smart meter engineered for precision and flexibility. Tailored for both residential and small commercial applications, this advanced meter records multiple loads independently—ideal for managing general domestic usage, solar energy, hot water, and electric vehicle (EV) charging. Its modular design, featuring a field-replaceable communications module, future-proofs your investment, ensuring long-term utility and adaptability in a rapidly evolving energy landscape.

Key Features

Multi-Element Precision

  • Three Independent Measuring Elements: Monitor and record distinct loads, such as domestic use, solar generation, and EV charging, with three separate measuring elements within a single unit.
  • Four-Quadrant Metering: Provides accurate import/export registration, essential for applications like co-generation and net metering.

Advanced Communication

  • Cellular Connectivity: Ensures seamless integration with utility networks via multi-operator (roaming) SIM support, maximizing coverage.
  • Modular Communication: The field-replaceable communications module allows easy upgrades and maintenance, reducing downtime and enhancing functionality over time.
  • Remote Firmware Upgrade: Update metering and communication features on-site without the need for physical replacements or interventions.

Enhanced Utility Features

  • Credit and Pay As You Go (PAYG) Mode: Switch between billing modes remotely, offering flexibility in consumer payment options.
  • Peak and Off-Peak Tariff Management: Supports dynamic tariff adjustments to optimize energy consumption costs.
  • Remote De-Energization and Energization: Control supply remotely, facilitating efficient management of connections and disconnections.
  • Quality of Supply (QoS) Monitoring: Tracks and reports power quality parameters, aiding in the identification and resolution of supply issues.

Options and Accessories

  • Auxiliary Load Control: Manage additional loads with integrated auxiliary controls.
  • External Antenna: Enhance signal reception in areas with poor cellular coverage.
  • Home Area Network (HAN) Support: Integrates with in-home displays and devices compliant with ZigBee® standards.


  • Domestic and Small Commercial: Suitable for individual homes or small business premises requiring sophisticated energy monitoring and management.
  • Independent Load Support: Efficiently handle independent loads, making it perfect for setups involving solar panels, hot water systems, or EV chargers.
  • Advanced Metering Infrastructure (AMI): Integrates seamlessly with modern AMI systems, supporting automated meter reading, remote configurations, and advanced data analytics.


Cost and Efficiency

  • Reduced Operational Costs: Eliminate the need for manual meter readings and on-site interventions with remote reading and control capabilities.
  • Improved Billing Accuracy: Ensure precise billing through automated and accurate energy usage data collection.
  • Future-Proof Investment: The Sprint 231’s modular design and remote upgradeability extend its useful life and adaptability to future technology developments.

Enhanced Consumer Experience

  • Better Energy Management: Provides consumers with detailed usage information, helping them make informed decisions to optimize energy consumption and reduce costs.
  • Quick Response to Outages: Improves response times to power outages and service disruptions, enhancing customer satisfaction.

Streamlined Installation and Maintenance

  • Fail-Safe Installation: Simplifies the commissioning process, reducing on-site operational expenses and time.
  • Remote Reconfiguration: Allows for adjustments and updates without the need for physical access to the meter, minimizing service interruptions.

The Sprint 231 Smart Meter is part of Secure’s Liberty Online smart metering solution, offering a comprehensive approach to modern energy management. For more information on system integration and additional capabilities, refer to the Liberty Online brochure.

Download Product Information




Connection type 1-phase, 2-wire, direct connected
Measuring elements 3 elements
Rated voltage 230 V AC, -20% to +15%
Maximum voltage 460 V (L-N) continuous
Impulse withstand 12 kV, 9 J, as per NMI M6
Frequency 50 Hz ±5%
Current range 10 – 100A
Accuracy Class 1.0 (active energy), class 2.0 (reactive energy)
Metrology Lamp Two configurable metrological LEDs for active and reactive energy
Standards NMI M6-1, AS 62052.11, AS 62053.21, AS 62053.23, AS 62052.21
Exceeds minimum services specification as per the National Electricity Amendment (expanding competition in metering and related services. Rule 2015 No. 12)
Data storage capacity
Energy/demand load profile 395 days (per channel) at 30-minute interval (configurable), up to 16 channels,
65 days (per channel) at 5-minute interval (configurable), up to 4 channels
Quality of Supply (QoS) parameters 90 days (per parameter) at 30-minute interval (configurable), up to 16 parameters, including average voltage, current, phase angles, temperature
Integrated supply/load contactors 3 x 100 A switches
Dimensions (W x H x D) 180 mm x 252 mm x 118 mm
Enclosure Flame-retardant polycarbonate
Sealing provisions Terminal cover, meter main cover, configuration button, communications module
Weight 2.4 kg (approx.), depending on variant
Display 8-character alphanumeric LCD with backlight and icons for status