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Technical Features
User’s Page
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Electrical connections
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■ Input impedance
AV4: 208VLL 5(6)AAC (AV4): >200 kΩ
AV5: 400VLL 5(6)AAC (AV5): >900 kΩ
AV6: 100VLL 5(6)AAC (AV6): >200 kΩ
AV7: 660VLL 5(6)AAC (AV7): >900 kΩ
■ Frequency
50 to 60 Hz
■ Harmonic analysis
Analysis principle: FFT
Harmonic measurement: Current, Up to 16th harmonic
Voltage: Up to 16th harmonic
Type of harmonics: THD VL1, THD VL2, THD VL3, THD AL1,
THD AL2, THD AL3
Display pages:
THD %
System: The harmonic distortion can be measured in both
3-wire or 4-wire systems.
■ Interface modules technical features
Analogue Outputs (on request)
Number of outputs: 1 (+1 redundant)
Range: 0 to 20 mADC, 0 to ±20 mADC, 0 to ±10 mADC,
0 to ±5 mADC, 0 to 10 VDC, 0 to ±10 VDC, 0 to ±5 VDC
0 to ±1 VDC
Accuracy: ±0.2%F.S.
Temperature drift: ≤500ppm/°C
Scaling factor: Programmable within the whole range of
retransmission; it allows the retransmission of all values
within the min and max relevant to the used module.
Response time: 900 ms (FFT filter excluded)
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