
A customer from Wuhan, Hubei, ordered a set of DEMIKS Power digital withstand voltage partial discharge test
As one of the leading vendors and suppliers in China, DEMIKS provides advanced power quality analyzers which guarantee precision measurement and monitoring of electrical parameters. Our products help you diagnose and correct power quality problems, thereby protecting the seamless functioning of all your electrical equipment.
Versatile and Mobile Configuration: The handheld power quality analyzer (1-3 kg) is lightweight, thus easy to operate and importantly portable.
Measuring Precision: This device guarantees precise measurement outcomes with voltage accuracy up to ±0.1% and current accuracy up to ±0.2%.
Cutting Edge Functionality and Display Options: The device performs advanced functions like power metering, loss evaluation on transformers, and evaluation of the efficiency of inverters.
Multi-Channel Input Expansion: The analyzer facilitates accurate measurements of three-phase voltages and currents, enabling sophisticated multi-channel hydropower system diagnostics.
| Category | Specifications |
|---|---|
| Input Characteristics | |
| Voltage Measurement Range | 0~200V~800V, auto-ranging |
| Current Measurement Range | Clamp Transformers (3 types): |
| • 5A/25A (standard) | |
| • 100A/500A (optional) | |
| • 400A/2000A (optional) | |
| Phase Angle Range | 0~359.99° |
| Frequency Range | 45~55Hz |
| Voltage Channels | 3 channels (UA, UB, UC) |
| Current Channels | 3 channels (IA, IB, IC) |
| Maximum Harmonic Analysis | Up to 63rd order |
| Continuous Storage Duration | Up to 18 months (1-min interval) |
| Accuracy: Electrical Parameter Measurement | |
| Voltage | ±0.2% |
| Frequency | ±0.01Hz |
| Current, Power | ±0.5% |
| Phase Angle | ±0.2° |
| Power Quality Section | |
| Fundamental Voltage Error | ≤0.5% F.S. |
| Fundamental Current Error | ≤1% F.S. |
| Voltage-Current Phase Error | ≤0.2° |
| Harmonic Voltage Error | ≤0.1% |
| Harmonic Current Error | ≤0.2% |
| Three-Phase Voltage Unbalance Error | ≤0.2% |
| Voltage Deviation Error | ≤0.2% |
| Voltage Fluctuation Error | ≤0.2% |
| Operating Conditions | |
| Working Temperature | -10°C to +40°C |
| Charging Power | 220V AC, 45Hz-55Hz |
| Host Power Consumption | ≤3VA |
| Battery Life (Max) | ≤10 hours |
| Insulation | |
| Insulation Resistance | ≤100MΩ (between voltage/current terminals and housing) |
| Withstand Voltage | 1.5kV (RMS), 50Hz, 1 min (power input to shell) |
| Physical Specifications | |
| Dimensions | 258mm × 158mm × 58mm |
| Weight | 1.8kg |
As vital devices for tracking and enhancing power quality in contemporary electrical systems, power analyzers enable sharper diagnostics of power issues which enhances operational efficiency, curtails energy wastage, and strengthens reliability.

A customer from Wuhan, Hubei, ordered a set of DEMIKS Power digital withstand voltage partial discharge test

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