SMG-4000 Portable Power Quality Analyzer

This is high performance multi-function electric energy measurement and analysis instrument. It adopts the core of DSP+ARM+CPLD and 7-inch large screen color LCD. It has compact structure powerful function and convenient display. The instrument has the functions of high-speed sampling calculation analysis statistics and display. It can real-time monitor the power quality indicators of 63 harmonics total harmonic distortion rate unbalance of three-phase voltage flicker voltage deviation voltage fluctuation frequency active power reactive power true power factor phase-shifted power factor true effective value positive and negative sequence. Background management analysis software rich in functions easy to operate.

Product characteristics

1. Voltage input adopts high voltage isolation module (2000V response time < 2uS) and current input adopts alternating current clamp (0-50KHz 0-5Arms) to isolate input signal and measurement system safely. This method is not only safe reliable and convenient in use but also greatly improves the anti-interference ability.

2. Data acquisition channel is designed with single channel and single A/D. Each channel has a 16-bit parallel A/D. All channels are sampled synchronously with higher precision and faster speed and any A/D damage along the way does not affect the normal acquisition of data from other channels.

3. With the core of DSP+ARM+CPLD the processing speed is fast and the software function is rich. It is suitable for complex testing and data processing.

4. The power harmonic tester is equipped with a miniature thermal printer which can print real-time on-site test data at any time.

Technique Parameters

1. Frequency measurement： Measurement range: 45-55 Hz center frequency 50 Hz measurement conditions: signal fundamental component is not less than 80% F.S.

2. Measurement error: ≤0.005Hz.

3. Input Voltage Range: 10V~660V (Special Range can be customized)

4. Input current range: 5A (other ranges are selected according to user's requirements)

5. Fundamental Voltage and Current Amplitude: Permissible Error of Fundamental Voltage≤0.2％.Permissible error of fundamental current≤0.2％.

6. Measurement error of phase difference between fundamental voltage and current: ≤0.5°.

7. Harmonics: In accordance with Class A requirements of GB/T 14549-1993.

8. Inter-harmonics: In accordance with Class A requirements of GB/T 24337-2009.

9. Three-phase voltage imbalance≤0.2％.

10. Three-phase current imbalance：0.5%.

11. Voltage deviation error: ≤0.2％.

12. Power power Factor ≤0.5％.

13. Flicker: 5%.

14. Voltage fluctuation: 5%.

15. Device Interface (Extended Function): GPS Hard Timing IRIG-B Code Timing or Second Pulse Timing Signal.

16. Working hours: Internal batteries can work continuously for 10 hours.

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