Rogowski panel power analyzer | voltage and current measurement | 220 V AC | CT 1A/5A input | LCD display | 6 tariffs | MODBUS RS485 | ME337CD2

Technical Specifications

Type: Panel-mounted power analyzer
Model: ME337ND2
Installation: Fixed (panel-mounted)
Communication: MODBUS RS485
Power supply: 220 V AC (95–265 V AC) – auxiliary
Harmonic analysis: up to the 50th order (real-time display)
Tariffs: 6
Alarms: yes
Data logging: no
Current input: CT current transformers: 1 A / 5 A, compatible with a wide current range via CT or Rogowski solutions
Configurable current ranges: 10 A / 100 A / 500 A / 1000 A / 3000 A / 6000 A (software configurable)
Current signal coefficients: 50 mV/kA @50 Hz; 85 mV/kA @50 Hz; 333 mV/kA (0–634 mV AC RMS)
Current measurement accuracy: ±0.1% (depending on the sensor)
Measured parameters: Current; Voltage; Active, reactive and apparent power; Power factor; Electrical energy; Phase angle and unbalance; Load; Harmonic values; Phasor diagram
Inputs / Outputs: 1 relay output; 1 digital input; alarm functions based on set thresholds

Functions

Voltage and current measurement – real-time monitoring via 1A / 5A CT

Power and energy analysis – evaluation of active, reactive power and consumption

Harmonic analysis (up to the 50th) – detection of power quality distortions

Phasor and unbalance analysis – assessment of phase load and balance

Alarms and relay output – notifications when set limits are exceeded

MODBUS RS485 communication – integration with BMS / SCADA systems

Applications

Engineer / energy specialist: Power and harmonic analysis, phase unbalance and load evaluation, BMS / SCADA integration via MODBUS RS485

Industrial and commercial facilities: Continuous power network monitoring, energy consumption control, alarm signaling

Electrician: Quick verification of voltage, current and load in panels, easy integration into existing switchboards, operation with Rogowski coils without line disconnection, use with standard 1A / 5A CT

Advantages

Standard 1A / 5A CT input

Harmonic analysis up to the 50th order

Wide current range up to 6000 A

MODBUS RS485 communication

High current measurement accuracy (±0.1%)

Disadvantages

No internal data logging

CT current transformers not included

Designed for fixed (panel-mounted) installation