LUMEL N43 Power network meter User's Manual

Below you will find brief information for Power network meter N43. The N43 meter is a programmable digital instrument designed for measuring various electrical parameters in 3-phase power networks. It offers features such as RMS voltage and current measurements, active and reactive power, energy, power factors, frequency, and THD. The meter can be used for monitoring and optimizing power electronic devices, systems, and industrial installations.

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Power network meter N43 User's Manual | Manualzz

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Key features

  • Programmable digital instrument
  • Measurement of 3-phase power network parameters
  • RMS voltage and current measurement
  • Active and reactive power measurement
  • Energy measurement
  • Power factor measurement
  • Frequency measurement
  • THD measurement
  • RS-485 interface for data transmission
  • Three relay outputs for alarm signaling

Frequently asked questions

The N43 meter is designed for measuring parameters in 3-phase, 3 or 4-wire power networks, both balanced and unbalanced systems.

The N43 meter can measure RMS voltage and current, active, reactive, and apparent power, active and reactive energy, power factors, frequency, THD, and averaged values such as P Demand, S Demand, and I Demand.

The N43 meter supports both direct connections (up to 63 A) and connections with external measuring current transformers (version 1 A/5 A).

The N43 meter can transmit data to a master system via the RS-485 interface. The meter also has a USB interface for programming and software upgrades.

The N43 meter has three relay outputs that can signal the overflow of chosen quantities. The alarm types can be configured for different actions such as n-on, n-oFF, on, oFF, H-on, and H-oFF.

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