Lumel ND20 User manual

Below you will find brief information for Multifunction Meter ND20. The ND20 meter is a digital programmable panel meter designed to measure single-phase and 3-phase power network parameters, including voltage, current, power, energy, and more, with simultaneous display on an LCD. It is suitable for controlling and optimizing power electronics devices in industrial settings. The meter supports RS-485 communication and pulse/relay outputs.

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ND20 Multifunction Meter User Manual: AI Chat & PDF Download | Manualzz

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Key features

  • Measures voltage, current, power, and energy
  • Supports single and three-phase networks
  • LCD display for simultaneous readings
  • RS-485 interface
  • Pulse and relay outputs
  • Calculates harmonic values (THD)

Frequently asked questions

The ND20 meter measures rms values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency, 15, 30, 60 minutes’ mean active power, archive of power profile, THD and harmonic measurements.

The RS-485 interface allows the value of each measured quantity to be transmitted to a master system.

The relay output signals the overflow of the chosen quantity.

The pulse output can be used for the consumption check of 3-phase active and reactive energy.

The alarm switching on is signaled by the lighting of the AL1 inscription (in the mode A3non, A3nof, A3_on, A3_of: of AL1, AL2, AL3 inscriptions).
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