Fully Automatic Meter Test System for Utility and Meter Manufacturer Applications

GENY’s meter test system is a fully automatic solution designed for high-accuracy calibration, verification, and performance testing of three-phase energy meters.By adopting advanced electronic measurement technology and a modular system architecture, the system enables flexible configuration to meet different testing standards and application requirements.The meter test system is widely used by electric power utilities, energy meter manufacturers, metrology laboratories, and quality inspection departments. It supports both type testing and routine testing, making it suitable for laboratory environments, production lines, and quality assurance processes.

System Architecture and Components

The meter test system integrates multiple high-precision modules into a unified platform, including:

• Three-phase static power source with stable output

• High-accuracy three-phase reference standard meter

• Automatic meter suspension test rack for efficient operation

• Auxiliary measurement and control modules

• Industrial PC and professional software for centralized control and data management

The modular design allows easy expansion and customization according to specific customer requirements.

Testing Functions and Capabilities

The meter test system supports a comprehensive range of calibration and verification functions, including:

• Accuracy testing according to IEC standards

• No-load (creeping) test

• Starting current test

• Error repeatability test

• Dial (register) test

• Clock frequency accuracy test

• Maximum demand test

• Influence quantity tests affecting meter accuracy:

  • Voltage influence

  • Frequency influence

  • Reverse phase sequence influence

  • Voltage unbalance influence

• Harmonic influence testing in voltage and current circuits

• Sub-harmonic testing in accordance with IEC standards

• Optional odd harmonic testing

These functions ensure full performance evaluation throughout the meter’s operating range.