The STE38-M is a high-performance STS-compliant prepaid three-phase electricity meter, specifically designed to address dual-power supply management needs in residential, commercial, and industrial scenarios. Its standout dual-source metering capability enables automatic switching between grid power and generator power, with independent measurement and separate billing for each source—eliminating the hassle of manual tracking for areas with unstable grid supply or reliance on backup generators. Additionally, the meter can automatically decrypt recharge codes from different sources and credit funds to corresponding separate balances, ensuring flexible and transparent payment management.
Equipped with international high-end metering chips, the meter achieves Class 1.0 measurement accuracy, reliably monitoring three-phase voltage, current, active/reactive power, four-quadrant energy, and neutral current. The integrated keypad allows users to input recharge TOKENs and query critical data (residual credit, total purchased credit, total consumption) via short codes, while the clear LCD display and LED indicators ensure intuitive operation. For centralized management, an optional RF communication module supports remote reading, real-time consumption monitoring, and remote on/off control, significantly enhancing operational efficiency for utilities and facility managers.
Built with a thickened flame-retardant shell and IP54 dustproof/waterproof rating, the meter delivers exceptional durability and safety in harsh environments. It boasts an 8-year battery life for long-term reliable operation, paired with comprehensive protection features including tamper detection, cover opening detection, low-voltage operation adaptability, and credit alarming. Fully compatible with the StronPay vending system and third-party platforms (M-PESA, Alipay, MTN, Airtel) via APIs, it supports multiple recharge channels (on-site, mobile top-up, door-to-door service) and robust data management. Ideal for industrial parks, commercial complexes, factories, apartments, and supermarkets, this meter serves as a trusted solution for accurate energy measurement, revenue protection, and intelligent consumer management.
- Automatic switching between grid power and generator power, with independent metering and separate billing for each source.
- Auto-decrypts recharge codes from different sources and credits funds to corresponding separate balances, enabling flexible financial management.
- Supports query of dual-source related data (residual credit, total purchased credit, total consumption) via keypad short codes for transparent usage tracking.
- Compliant with STS standards for multi-phase prepaid management, ensuring global compatibility and reliability.
- Class 1.0 measurement accuracy, equipped with international high-end metering chips for precise energy data collection.
- Measures three-phase voltage, current, active/reactive power, four-quadrant energy, and neutral current to meet balanced load requirements.
- Key electrical parameters: Nominal frequency 50-60Hz; basic current (Ib) 10A; maximum current (Imax) 100A; starting current (Ist) 30mA; active energy constant 400imp/kWh.
- IP54 rating: Effectively resists dust and water splashes, suitable for indoor/outdoor installation in diverse environments.
- Thickened flame-retardant shell material: Ensures stability, durability, and operational safety; Class II electrical protection against hazards.
- Multiple safety functions: Tamper detection, cover opening detection, event logging, and low-voltage operation adaptability to avoid downtime.
- Strong electromagnetic compatibility: Withstands 4kV AC insulation strength, 8kV impulse voltage, 8kV contact electrostatic discharge, and 16kV air discharge.
- User-friendly design: Integrated keypad for TOKEN recharge, clear LCD display for data reading, and LED indicators for status prompts.
- Multi-tariff support: Configurable up to 8 tariff plans, adapting to different billing policies and energy management strategies.
- Optional RF communication module: Enables remote reading, real-time consumption monitoring, and remote on/off control for centralized management.
- Infrared communication support for local data retrieval and configuration.
- Low power consumption: Voltage circuit <2W/<8VA; current circuit <1VA, minimizing energy waste.
- 8-year long battery life: Ensures stable operation of core functions without frequent replacement, reducing maintenance costs.
- Wide temperature adaptability: Operating range -25℃~70℃; storage range -40℃~85℃, suitable for extreme climatic conditions.
- Compatible with StronPay vending system: Supports data management (meters, prices, customers, regions), account management, and multi-type report generation (receipts, monthly summaries, transaction logs).
- Multiple recharge methods: Recharge by amount or unit via on-site points, third-party mobile platforms (M-PESA, Alipay, MTN, Airtel), or door-to-door mobile vending units.
- API support: Facilitates integration with custom systems, meeting personalized business scenario requirements.
- Microsoft SQL Server backend database ensures data security and operational reliability.
- Easy installation: Fixed triangular positions and hanging hole design on the back for quick and space-saving mounting.
- Compact structure: Optimized dimensions for seamless installation in switchboards, utility rooms, or outdoor cabinets.
- Clear wiring diagram and transparent protective cover for convenient inspection and maintenance.
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