High-Accuracy Universal Energy Meter Test Bench for Utilities & Laboratories

High-Accuracy Universal Energy Meter Test Bench for Utilities & Laboratories

The Three-Phase Energy Meter Test Bench is a high-precision system designed for fast and accurate testing and calibration of 1 to 20 single-phase or three-phase energy meters simultaneously. It supports accuracy classes 0.1, 0.2, 0.5, 1 and 2, and fully complies with IEC 62052-11 and IEC 62053-11/21/22/23 international standards.
Built for professional laboratory and utility use, the system provides stable power output, automated test procedures, and reliable measurement performance, ensuring efficient verification and calibration of modern electronic and electromechanical energy meters.

Key Features

Flexible Meter Testing Capabilities

• Equipped with ICTs for testing both three-phase and single-phase meters with secure close-link configurations.

• Supports 2-wire / 3-wire single-phase meter testing.

• Supports 3-wire / 4-wire three-phase meter testing.

• Suitable for both direct and indirect (CT/VT-operated) meter connections.

• Adapted for both symmetrical and asymmetrical wiring arrangements.

Smart Meter Compatibility

• Built-in parallel communication interface for smart meter testing via RS232 and Ethernet.

• Supports advanced smart meter evaluation under various operating conditions.

Calibration & Verification Support

• Calibrating terminals integrated on the rack for complete system verification.

• Supports accuracy classes required by IEC standards.

• High-stability reference components ensure long-term measurement accuracy.

Advanced Testing Functions

Accuracy & Performance Tests

• IEC-compliant accuracy testing for all meter types.

• Creeping test

• Starting current test

• Repeatability / Error stability test

• Register (Dial) test

Influence Quantity Testing

Simulates real-world operating conditions to verify meter performance under:

• Voltage variation

• Frequency deviation

• Reverse phase sequence

• Voltage unbalance

• Heating and self-heating effects

Harmonic Influence Tests

• Measures the influence of harmonic components in the voltage and current circuits according to IEC requirements.

Tamper & Fraud Detection Testing

• Comprehensive evaluation of meter responses under tampered conditions.

• Supports single-phase meter tamper testing to detect fraud attempts and non-standard wiring.

high-accuracy energy meter test bench

universal meter test bench for utilities

stationary energy meter test equipment

High-Accuracy Universal Energy Meter Test Bench for Utilities & Laboratories Images