Power Quality Analyzers

1、Power Quality Analyzers Overview

Power Quality Analyzers used for comprehensive analysis and diagnostics of three-phase electrical power parameters; suitable for sectors such as electric power, petrochemicals, metallurgy, and railways.Power Quality Analyzers is designed for the measurement and analysis of three-phase power quality. It supports the simultaneous measurement of 3 voltage channels and 4 current channels, with a measurement accuracy of Class 0.5. The instrument features a color touchscreen and a bilingual (Chinese/English) user interface. It can communicate with a PC via a USB connection, allowing recorded data to be exported into analysis reports in accordance with national standards.

2、Power Quality Analyzers Measurement Functions

1. Real-time waveform display (3 voltage channels / 4 current channels).

2. Measurement of true RMS voltage and current; phasor diagram display.

3. Harmonic analysis for each phase (up to the 51st harmonic); bar chart display of harmonic content for voltage and current; total harmonic distortion (THD).

4. Measurement of voltage and current crest factors, and transformer K-factor.

5. Active, reactive, and apparent power (per phase and total); active, reactive, and apparent energy (per phase and total).

6. Trend charts for voltage, current, and power.

7. Long-term and short-term flicker testing; three-phase unbalance measurement (voltage and current).

8. Waveform and parameter recording; screenshot capture and storage.

9. Detection of voltage swells and dips; monitoring of inrush and surge currents.

10. USB interface for communication with a PC; configurable wiring modes and grid types; support for various current clamps and user-defined voltage/current transformation ratios.

11. Energy calculation; one-touch access to phase/V-A analysis, transformation ratio testing, and DC testing; measurement of DC voltage, current, and power.

3、Power Quality Analyzers General Specifications

Power Supply: DC 7.4V, 5200mAh rechargeable lithium battery; includes an external charger.

Display: 7-inch color touchscreen; display area: 150mm × 84mm.

Channels: 3 voltage channels, 4 current channels.

AC Voltage Range: AC 0.001V – 1000V. DC Voltage Range: DC 0.1V – 1000V.

Current Clamp Options (Optional): 008B (Φ8mm); 032B (32mm × 42mm); 050B (Φ50mm); 300FA (flexible, Φ300mm); 035AD (DC current clamp, Φ30mm × 35mm).

Current Ranges: 008B: AC 10mA – 10.0A; 032B: AC 0.1A – 100A; 050B: AC 1A – 1000A; 300FA: AC 10A – 6000A; 035AD: DC 0.1A – 1000A.

Frequency Range: 40Hz – 70Hz. Harmonics: Supported (2nd to 51st order). Total Harmonic Distortion (THD): Supported (2nd to 51st order, per phase).

Memory Card: 8GB (expandable up to 32GB).

Voltage Flicker: Short-term and long-term flicker. Three-phase Unbalance: Supported. Communication Interface: USB.

Operating Current: Approx. 490mA.

Battery Level Indicator: Battery icon displays current charge level; the device shuts down automatically when the battery level is too low.

Automatic Shutdown: The device will not shut down automatically while the recording function is active. When recording is inactive, the device can be set to shut down automatically after 15, 30, or 60 minutes. Instrument Weight: Approx. 10.2 kg (including packaging and accessories).

Input Impedance: 3 MΩ for voltage inputs.

Withstand Voltage: Capable of withstanding 3700 V (50 Hz sinusoidal AC) between the internal circuitry and the enclosure for 1 minute.

Insulation Resistance: ≥10 MΩ between the internal circuitry and the protective enclosure.

Construction: Double insulation, equipped with an insulating, anti-vibration protective cover.

Safety Standards: IEC 61010 1000 V CAT III / 600 V CAT IV, IEC 61010-031, IEC 61326, Pollution Degree 2; GB/T 15945-2008, GB/T 15543-2008, GB/T 12326-2008, GB/T 12325-2008, GB/T 14549-1993.

Operating Temperature/Humidity: -10°C to 40°C, ≤80% RH. Storage Temperature/Humidity: -10°C to 60°C, ≤70% RH.

Included Accessories: 1 main unit; 1 tool bag; 4 test leads (yellow, green, red, and black); 4 alligator clips; 1 power adapter; 1 8GB memory card; optional current sensor (300FA current clamp, including batteries).

4、Power Quality Analyzers Instrument Accuracy

Frequency: 40 Hz – 70 Hz; resolution: 0.001 Hz; error: ±0.01 Hz.

True RMS Voltage: 0.001 V – 1000 V; resolution: 0.001 V; error: ±0.5% of reading ±0.1% of full scale (FS).

DC Voltage: 0.1 V – 1000 V; resolution: 0.1 V; error: ±(0.5% of reading ± 5 digits).

True RMS Current: 0.01 A – 6000 A; resolution: 0.001 A; error: ±(0.5% of reading ± 5 digits).

DC Current: 0.1 A – 1000 A; resolution: 0.1 A; error: ±0.5% of reading.

Crest Factor: 1.000 – 3.999, error: ±(1% of reading + 2 digits); 4.000 – 9.999, error: ±(5% of reading + 2 digits); resolution: 0.001.

Active Power: 0.001 W – 6000 kW; resolution: 0.001 W; error: ±(1% of reading + 3 digits) for Cosφ ≥ 0.8; ±(1.5% of reading + 10 digits) for 0.2 ≤ Cosφ < 0.8.

Reactive Power: 0.001 VAR – 6000 kVAR; resolution: 0.001 VAR; error: ±(1% of reading + 3 digits) for Sinφ ≥ 0.5; ±(1.5% of reading + 10 digits) for 0.2 ≤ Sinφ < 0.5.

Apparent Power: 0.001 VA – 6000 kVA; resolution: 0.001 VA; error: ±(1% of reading + 3 digits). Power Factor: -1.000 to 1.000, resolution 0.001; error ±(1.5% of reading + 3 digits) for Cosφ ≥ 0.5, and ±(1.5% of reading + 10 digits) for 0.2 ≤ Cosφ < 0.5.

Active Electrical Energy: 0.001 kWh to 9999.999 MWh, resolution 0.001 kWh; error ±(1% of reading + 3 digits) for Cosφ ≥ 0.8, and ±(1.5% of reading + 10 digits) for 0.2 ≤ Cosφ < 0.8.

Reactive Electrical Energy (inductive, capacitive): 0.001 kVARh to 9999.999 MVARh, resolution 0.001 kVARh; error ±(1% of reading + 3 digits) for Sinφ ≥ 0.5, and ±(1.5% of reading + 10 digits) for 0.2 ≤ Sinφ < 0.5.

Apparent Electrical Energy: 0.001 kVAh to 9999.999 MVAh, resolution 0.001 kVAh; error ±(1% of reading + 3 digits).

Phase Angle: 0° to 360°, resolution 0.001°; error ±3°.

Voltage Harmonic Ratio (2nd to 51st order, Vrms > 50 V): 0.0% to 99.9%, resolution 0.001%; error ±(1% of reading + 5 digits) for 2nd–20th order, ±(1% of reading + 10 digits) for 21st–30th order, and ±(1% of reading + 15 digits) for 31st–51st order. Voltage harmonic phase angle (Vrms > 50V): 0°–360°, resolution 0.001°; 2nd–25th harmonics: ±3°, 26th–51st harmonics: ±10°.

Current harmonic ratio (2nd–51st harmonics, Arms > current range/100): 0.0%–99.9%, resolution 0.001%; 2nd–20th harmonics: ±(1% of reading + 5 digits), 21st–30th harmonics: ±(1% of reading + 10 digits), 31st–51st harmonics: ±(1% of reading + 15 digits).

Current harmonic phase angle (Arms > current range/100): 0°–360°, resolution 0.001°; 2nd–25th harmonics: ±3°, 26th–51st harmonics: ±10°.

Total Harmonic Distortion (THD-F): 0.0%–99.9%, resolution 0.001%, error ±(1% of reading + 10 digits).

Transformer K-factor: 1.000–99.999, resolution 0.001, error ±5%.

Three-phase unbalance: 0.0%–100%, resolution 0.01%, error ±1%.

5、Power Quality Analyzers Current Clamp Specifications (Optional Accessories)

008B (Jaw diameter: 8 mm): AC 10 mA–10.0 A; maximum resolution: 1 mA; true RMS current error: ±(1% of reading + 0.05% of full scale); phase angle error: ±2°.

032B (Jaw size: 32 mm × 42 mm): AC 0.10 A–100 A; maximum resolution: 1 mA; true RMS current error: ±(1% of reading + 0.05% of full scale); phase angle error: ±2°.

050B (Jaw diameter: 50 mm): AC 1.0 A–1000 A; maximum resolution: 1 mA; true RMS current error: ±(2% of reading + 0.05% of full scale); phase angle error: ±2°.

300F (Jaw diameter: 300 mm): AC 10.0 A–6000 A; maximum resolution: 1 mA; true RMS current error: ±(1% of reading + 0.05% of full scale); phase angle error: ±2°.

035AD (Jaw size: 30 mm × 35 mm): DC 0.1 A–1000 A; maximum resolution: 0.1 A; true RMS current error: ±(3% of reading + 0.5% of full scale).