Electrical Digital 3 Phase Harmonic Power Quality Tester
A high-precision testing instrument designed specifically for detecting power quality issues including waveform distortion, harmonic content, voltage fluctuation and flicker, and three-phase imbalance in electrical grids. This advanced analyzer also provides comprehensive electrical parameter testing and vector analysis capabilities.
Key Features & Capabilities
- Precisely measures voltage, current, active power, reactive power, phase angle, power factor, frequency and other critical electrical parameters
- Displays voltage and current vector diagrams for accurate verification of metering equipment wiring
- Dual measurement options: clamp transformer for safe, non-intrusive testing or direct access for maximum precision
- Comprehensive power quality analysis including frequency deviation, voltage deviation, voltage fluctuation, flicker, three-phase voltage unbalance, and grid harmonics
- Simultaneous display of single-phase and three-phase voltage and current waveforms
- Screen lock function on all test interfaces for easy data reading and analysis
- Load fluctuation monitoring with continuous recording of voltage, current, power parameters, frequency, and phase trends
- Dynamic monitoring of power equipment adjustment and operation processes
- Testing and analysis of reactive power compensation and filtering device performance
- Configurable data storage intervals with continuous recording capability
- Large-capacity internal memory supporting over 18 months of continuous data storage at 1-minute intervals
- USB interface for direct data transfer to backend management computers
- Compatible with powerful data management software for comprehensive backend processing
- Built-in perpetual calendar and real-time clock functions
- Large-screen imported color LCD with intuitive Chinese operation interface
- Automatic LCD power management with 3-minute timeout for extended battery life
- Durable conductive silicone buttons with optimized ergonomic design
- High-performance lithium-ion rechargeable battery providing over 10 hours of continuous operation
- Compact, lightweight design suitable for both field measurements and laboratory use
Technical Specifications
| Parameter |
Specification |
| Voltage Measurement Range |
0~800V, automatic switching |
| Current Measurement Range |
Clamp transformers: 5A/25A (standard), 100A/500A (optional), 400A/2000A (optional) |
| Phase Angle Measurement |
0~359.99° |
| Frequency Measurement |
45~55Hz |
| Voltage Channels |
Three channels (UA, UB, UC) |
| Current Channels |
Three channels (IA, IB, IC) |
| Harmonic Analysis |
Up to 63rd order |
| Continuous Storage |
18 months at 1-minute intervals |
| Measurement Accuracy |
Voltage: ±0.1%, Frequency: ±0.01Hz, Current/Power: ±0.5%, Phase: ±0.2° |
| Power Quality Accuracy |
Fundamental voltage ≤0.5% F.S., Fundamental current ≤1% F.S., Phase difference ≤0.2° |
| Operating Temperature |
-10℃ to +40℃ |
| Charging Power |
AC220V, 45Hz-55Hz |
| Power Consumption |
≤3VA |
| Battery Life |
≤10 hours continuous operation |
| Dimensions |
320mm × 240mm × 130mm |
| Weight |
2.0 kg |