The STE18-G is a high-performance STS prepaid single-phase smart electricity meter that integrates dual-mode connectivity, intelligent monitoring, and robust durability. It stands out with seamless GPRS/433MHz RF communication for real-time remote data access, modular plug-and-play design for cost-effective upgrades, and multi-scenario adaptability—from residential to industrial use. With Class 1.0 precision metering, STS token recharge, and comprehensive tamper protection, it delivers reliable energy management, while its 8-year battery life, IP54 rating, and easy installation ensure long-term, hassle-free operation.
- Dual-mode communication: GPRS + 433MHz RF for stable data transmission in remote or network-limited areas
- Multi-channel access: Web portals, vending systems, handheld units (HHUs), and API-integrated third-party platforms (e.g., M-PESA, Alipay)
- Compatible with PLC, GPRS, or 4G LTE networks to match existing infrastructure
- Class 1.0 measurement accuracy for precise energy billing
- Bidirectional metering support, ideal for off-grid/hybrid solar-powered systems
- Multi-tariff function (max 8 tariffs) to adapt to diverse pricing plans
- Active energy constant: 1000imp/kWh
- Working voltage range: 30%~120%Un; nominal frequency: 50-60Hz
- STS-compliant token recharge (20-digit token)
- Three recharge methods: on-site at recharge points, mobile top-up via third-party platforms, door-to-door service with mobile vending units
- Recharge options: By amount or by unit (generates detailed receipt post-recharge)
- Credit alarming and automatic switch-off for low-balance protection
- Tamper detection and cover opening detection with event logging
- Thickened flame-retardant shell for stability, durability, and fire safety
- Class II protection and AC insulation strength (4kV at 50Hz for 1min)
- Electromagnetic compatibility (EMC) resistance: 27MHz-500MHz (10V/m) & 100KHz-1GHz (30V/m) RF fields
- IP54 protection rating (dustproof, water-resistant)
- 8-year long-life battery for continuous operation
- Fixed triangular back positions + hanging hole design for easy, secure installation
- Operating temperature range: -25℃~70℃; storage temperature range: -40℃~85℃
- Real-time remote reading and electricity data analytics
- Usage trend tracking and instant anomaly alerts for proactive energy optimization
- Neutral current measurement and low-voltage operation capability
- Real-time clock and comprehensive event logging
- Liquid Crystal Display (LCD) + LED indicators for clear data visualization
- Keypad-type operation for convenient token input and settings
- Modular plug-and-play architecture: Component-replaceable design for cost-effective upgrades (no system performance compromise)
- Residential communities: Remote tenant usage monitoring for landlords
- Small-to-medium enterprises (SMEs): Supermarkets, offices for cost optimization via consumption tracking
- Rural electrification projects: Reliable metering in areas with limited network coverage (via RF)
- Municipal smart grids: Real-time city-wide data collection for utilities
- Industrial sub-metering: Department-level energy monitoring in factories/workshops
- Off-grid/hybrid solar systems: Seamless integration with renewable energy setups
- Compliant with IEC 62052-11 (electricity meter requirements) and IEC 62053-21 (accuracy class)
- Microsoft SQL Server backend database for data security
- Account permission management (modify passwords, create sub-accounts, assign roles)
- Data management functions: Import/export Excel, clear tampering/balance records, generate operational reports (receipts, monthly summaries, regional analytics)
