Three Phase Energy Meter Test Bench with Advanced Error and Harmonic Testing

Specifications

Voltage

• Test Voltage Output (Phase-Neutral): 3 × 40V–500V (customizable)

• Power of Voltage Output: 3 × 200VA

• Resolution: Better than 0.001% of full scale

• Stability: Better than 0.002% / h (integration time 150s)

• Load Regulation (0–max load): Better than 0.01%

• Distortion Factor: Better than 0.05% for linear resistive load

• Harmonics: 2nd–21st, fully programmable

Current

• Test Current Output: 3 × 1mA–120A (max 230A)

• Power of Current Output: 3 × 300VA

• Resolution: Better than 0.001% of full scale

• Stability: Better than 0.002% / h (integration time 150s)

• Load Regulation (0–max load): Better than 0.01%

• Distortion Factor: Better than 0.05% for linear resistive load

• Harmonics: 2nd–21st, fully programmable

Phase Angle

• Range: 0–360°

• Resolution: 0.01°

Frequency

• Range: 45Hz–65Hz

• Resolution: 0.001Hz

Error Display

• Type: Red LED

• Resolution: 8 digits

Other Specifications

• Voltage Supply: 3 × 220/380V ±10% (customizable), 50/60Hz ±2Hz

• Ambient Temperature: -10°C ~ +40°C

• Relative Humidity: 35% ~ 85%

Product Description

1. Supports mechanical, electronic-mechanical, and electronic meters through automatic, semi-automatic, or manual operation.

2. Testing Modes: Active power, reactive power, cross-connected reactive power.

3. Compatible Meters: 1P2W, 3P3W, 3P4W.

4. Can simultaneously measure meters with the same specifications but different meter constants.

5. Automatic positioning of rotor marks on mechanical meters improves testing efficiency.

6. Supports Creeping Test and Starting Test.

7. Built-in protection against short voltage circuits, overloads, and open current circuits.

8. Aluminum alloy construction: lightweight, strong, and corrosion-resistant.

9. Advanced Windows-based testing software (XP/7/8/10), including modules for:

   • Error testing

   • Harmonic analysis

   • Demand testing

   • Influence testing

   • Other modern energy meter functions