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Single Phase Smart Prepaid Energy Meter with STS payment algorithm, DLMS certificated
The Compact STS-Compliant Prepaid Power Meter is designed for
efficient energy monitoring in homes and small businesses. This
two-wire system meter ensures simple installation and adheres to
the Standard Transfer Specification for secure, tamper-evident
energy measurement.
Protected by a robust case, it's suitable for outdoor use and
resists harsh environments. The prepaid system promotes responsible
energy use, with token-based recharging and integration with
vending systems for smooth transactions. Its long-lasting battery
suits remote areas.
Features:
Measures dual power sources.
Communicates via RF-Lora, RS485, and infrared.
Offers prepaid and postpaid options.
Auto-shutdown on overload or credit exhaust.
Customizable power limits and low credit alerts.
Tamper detection with automated reports.
Benefits:
Seamless UIU integration for modular use.
TOU, multi-tariff, and holiday schedule support.
Accurate performance.
Recharge with a 20-digit token.
Permanent data storage.
Specifications:
Nominal voltage Un | 220/230/240 V |
Limited voltage | 70%~120%Un |
Nominal frequency fn | 50-60Hz+5% |
Basic current(Ib) | 5-10A |
Maximum current(Imax) | 60-100A |
Starting current(Ist) | 20mA |
Active energy constant | 1000imp/kWh |
Accuracy as Active energy to IEC62053‐21 | Class1.0 |
Power consumption in Voltage circuit | <2W <8VA |
Power consumption in current circuit | <1VA |
Operating temperature | 25℃ to+70℃ |
Storage temperature | 40℃ to+85℃ |
Insulation level | 4kV rms for 1min |
Impulse voltage withstand | 8kV, 1.2/50 μs |
Air discharge | 16kV |
Immunity to HF fields | |
80MHz to 2GHz with load | 10V/m |
100kHz to 1GHz without load | 30V/m |
Fast transient burst test | 4kV |
Meter shell Protection Rate | IP54(IEC60529) |
Insulation System Classification | Protective Class II |