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DiGi 820

Power Quality Analyser

  • Models – DiGi 820
  • 4 Channels Input Voltage
  • 4 Channels Input Current
  • 8 Channels Digital Input (DI)
  • 4 ChannelsRelay Output (DO)
  • 2 Channels Optocoupler Output
  • Communications via RS 485 & Ethernet
  • 8GB Memory
  • Voltage Sag/Swell
  • Transient Capture

Measurements

  • Voltage – 3U, 3V, Average VAvg
  • Current – 3I, In, IAvg
  • Powers – kW, kVA, kVAr – phase wise and total
  • PF – phase-wise and total
  • Frequency
  • kWh, kVArh, kVAh
  • Demand & Max Demand – kW, kVA, kVAr, I
  • THD – V & I
  • Individual harmonics upto 63rd order
  • Harmonic Energy (2nd to 31st)
  • Min & Max 1s – V, I, kW, kVAr
  • K factor, Crest Factor
  • Flicker
DiGi 820
DiGi 820

Functions

Class A Power Quality Measurement

Harmonic and inter-harmonic, voltage deviation, frequency deviation, unbalance, fluctuation and flicker, transient disturbances, EN50160 statistics

Class 0.2s Accuracy

Harmonic, fundamental harmonic, sub-harmonics energy

High Resolution Failure Record

Support 1024 point/cycle, Min.tansient disturbance record for 20us

Failure Diagnose Location

Support voltage sag source, harmonic source, flicker source, asymmetric source location and power supply failure type diagnose

Full Real-time Data Measurement

 

Interface

DiGi 820