Rogowski panel power analyzer | voltage and current measurement | 220 V AC | LCD display | 6 tariffs | MODBUS RS485 | ME337ND2

Technical Specifications

Type: Panel-mounted power analyzer
Model: ME337ND2
Mounting: 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
Supported current sensors: Rogowski coils; 333 mV current transformers (CT)
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 sensor)
Measured parameters: Current; Voltage; Active, reactive and apparent power; Power factor; Electrical energy; Phase angle, imbalance; Load; Harmonic values; Phasor diagram
Inputs / outputs: 1 relay output; 1 digital input; Alarm function (threshold-based)

Functions

Voltage and current measurement – real-time monitoring of network parameters
Power and energy analysis – evaluation of active and reactive power and consumption
Harmonic analysis (up to the 50th order) – detection of power quality distortions
Phasor and imbalance analysis – assessment of phase load and balance
Alarms and relay output – alerts when preset limits are exceeded
MODBUS RS485 communication – integration with BMS / SCADA systems

Applications

For engineers / energy specialists: Power and harmonic analysis, phase imbalance and load assessment, integration with BMS / SCADA via MODBUS RS485
For industrial and commercial facilities: Continuous electrical network monitoring, energy consumption control, alarm signaling in case of deviations
For electricians: Quick voltage, current and load checks in panels, easy integration into existing switchboards, operation with Rogowski coils without disconnecting the line

Advantages

Supports Rogowski coils and 333 mV CTs
Harmonic analysis up to the 50th order
Wide current range up to 6000 A
MODBUS RS485 communication
High current measurement accuracy (±0.1 %)

Limitations

No internal data logging
Rogowski coils / CTs not included
Designed for fixed (panel-mounted) installation