Single Phase Smart Prepayment Meter

Single Phase Smart Prepayment Meter

The Single Phase Smart Prepayment Meter is designed for residential, sub-metering, and light commercial electricity management.
Send Inquiry
Description
Technical Parameters

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.

product-1200-1014

 

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.

 

product-1200-400

 

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.

 

product-1200-675

 

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.

 

product-1208-1530

 

product-1200-733

 

FAQ

 

Q: How does the STS 20-digit token encryption ensure compatibility with third-party vending systems?

A: As an officially STS-certified manufacturer, our meters strictly adhere to the standard IEC62055 protocol. The 20-digit token generation follows the global universal encryption algorithm, ensuring seamless, plug-and-play integration with any compliant third-party vending system without software mismatch.

Q:How does your factory ensure the quality and accuracy of mass-produced orders?

A: Every meter undergoes 100% calibration and functional testing on our 3 high-precision calibration test benches before packaging to meet strict IEC Class 1.0 accuracy standards.

Q: Do you support customization (OEM/ODM) for specific grid project requirements?

A: Yes, we can customize logo printing, casing colors, terminal wiring layouts, and specific technical parameters based on your project tender requirements.

Q: What is your standard warranty policy and after-sales support for overseas buyers?

A: We provide a clear 1-2 years factory warranty along with comprehensive technical data sheets, installation guides, and remote engineering support.

Q: What is your monthly production capacity for single-phase meters?

A: Backed by 3 advanced Production Lines and over 30 years of experience, our facility has an annual capacity of 1,000,000 single-phase units to ensure stable delivery times.

Send Message