Harmonic current emissions and voltage fluctuation/flicker measurements.
Harmonic analysis:
- According to EN / IEC / JIS C 61000-3-2 or EN / IEC / JIS C 61000-3-12 with ext. CT
- Instrument design acc. EN / IEC 61000-4-7
- Harmonic range: 1...50th harmonic
- Grouping: Interharmonics acc. EN / IEC 61000-4-7
- Synhronization: PLL; accuracy better than 0.005%
- Measurement windows: retangular window (8,10,12,16 periods)
- Algorithm: FFT
- Smoothing filter selectable: 1st order 1,5s digital low pass filter (on/off)
- Anti-aliasing: >90dB
- Measuring duration: up to more than 30hours limited by the harddisk capacity approx 1MB/min
- Display: Vrms, Irms, Ipeak, Vpeak
- Harmonic 2...50 order: V, I, Phase, P, Q, S
- Power informantion: P, Q, S, Power factor, THD(U), THD(I), Crest factor(u), Crest factor(i)
Flicker analysis:
- According to EN / IEC / JIS C 61000-3-3
- Flicermeter design acc. EN / IEC 61000-4-15
- 230 V/ 50Hz and 120V / 60Hz
- Accuracy Pst and Plt: <5%
- Accuracy dmax, dc, dt: 0.15%
- Flicker data: Pst and Plt, Vrms, dmax, dc, dt
- P50%S, P10%S, P3%S, P1%S, P0.1%
- Maximum values: Pst, dmax, dc, dt
- Observation period: selectable min 1min
Harmonic current emissions and voltage fluctuation/flicker measurements.