Product Overview
The Single Phase Smart Prepayment Meter is designed for residential, sub-metering, and light commercial electricity management. Utilizing the global standard STS prepaid token system, it provides high-precision energy measurement, secure revenue protection, and reliable grid connection.
Applications: Residential retrofits, utility grid tenders, apartment sub-metering, and commercial complexes.
Compliance: Fully compliant with IEC international standards, carrying official CE, STS, RoHS, ISO9001, and ISO14001 certifications.

Technical Parameters
|
Parameter Name |
Single Phase Smart Prepayment Meter |
|
Rated Voltage (Un) |
230V |
|
Basic Current (Ib) |
5A |
|
Maximum Current(Imax) |
60A |
|
Accuracy Class |
Class 1 for active energy (IEC 62053-21 compliant) |
|
Starting Current (Ist) |
20mA |
|
Pulse Constant |
1000 imp/kWh |
|
Operating Frequency |
50Hz |
|
Operating Temperature |
Normal range: -25℃~+55℃ (3K6); Limited range: -40℃~+70℃ (3K7) |
|
Relative Humidity |
≤95% (non-condensing) |
|
Insulation Class |
Class II |
|
Electromagnetic Compatibility (EMC) |
Fast transient burst: 4kV; Electrostatic discharge: 8kV (contact)/15kV (air) |
|
Dielectric Strength |
AC voltage: 4kV (50Hz, 1 minute); Impulse voltage: 6kV |
Core Technical Features
- Designed in strict accordance with IEC standards and carries official STS certification to ensure seamless integration into existing global prepayment vending systems.
- Equipped with multi-tamper detection technology (including terminal cover and meter chassis sensors) to help utilities mitigate revenue loss.
- Utilizes a split design option with an independent Customer Interface Unit (CIU) to improve user convenience while keeping the main meter securely isolated.
- Built using UL94-V0 flame-retardant, high-grade polycarbonate materials to provide stable environmental resistance and durability in harsh field conditions.

OEM/ODM Customization Capabilities
Laser Printing: Logo, barcode, Serial Number, Connection Diagram on meter housing.
Firmware: Custom tariff rates, friendly hours, emergency credit limits.
Color & Casing: Tailored to local utility specifications.

Manufacturing & Quality Supply Chain
Manufactured by Zhejiang Kaou Instrument Co., Ltd. (Established in 1994).
Production Capacity: 1,000,000 single-phase meters annually across a 1,600 m² facility to ensure stable delivery for bulk orders.
Production Hardware: Fully equipped with 3 advanced Production Lines, 2 laser cutting systems, and 2 advanced packaging systems for strict structural consistency.
Quality Control: 3 high-precision calibration test benches ensuring 100% functional and accuracy verification prior to final packaging.


FAQ

