Product Information
Model: ME537
Type: Three-phase power quality analyzer
Applications: Power analysis, Power measurement, Power quality analysis
Wiring Method:
Wiring System: 3P4W_4CT / 3P4W_3CT / 3P3W_3CT / 3P3W_2CT / 1P3W / 1P2W
Current Sensor: Rogowski coil, Voltage-output current clamp
Voltage Connection Method: Direct access, Connected through voltage transformer
Storage and Data Export:
Storage Type: TF card
Storage Capacity: 32GB
Data Export: USB disk export (USB disk file is FAT32 system)
Communication Interface:
Interface Type: RJ45-Ethernet, RS485
Communication Protocol: ModbusTCP, Modbus-RTU
Power Supply Parameters
Supply Voltage: 85 - 305VAC / 100 - 430VDC
Maximum Power Consumption: 5VA
Display and Mechanical Parameters
Screen Size: 3.5 inch
Screen Type: IPS display
Resolution: 480*800
Dimensions: 969694mm
Weight: 850g
Environmental Parameters
Operating Environment: Temperature: -20℃ ~ +55℃, Humidity below 90% RH
Storage Environment: Temperature: -40℃ ~ +70℃, Humidity below 95% RH (non-condensing)
Altitude: ≤2km
Measurement Category: CAT III 600V
IP Protection Rating: IP30
Real-time Measurement Data:
Voltage: Phase Voltage (Phase ABC), N Relative ground voltage, line voltage (UAB, UBC, UCA), voltage peak factor (Phase ABC), voltage peak (Phase ABC)
Current: Phase current (Phase ABCN), current peak factor (Phase ABC), K-factor (Phase ABC)
Frequency: Line frequency
Power: Active power (each phase and total), reactive power (each phase and total), apparent power (each phase and total)
Power factor: Power factor of each phase and total
Fundamental power factor: Fundamental power factor of each phase and total
Electrical energy: Active energy (each phase and total, including input/output), reactive energy (each phase and total, including input/output), apparent energy (each phase and total), CO₂ emissions
Harmonic measurement data:
Voltage harmonics: THD (Total Harmonic Distortion Percentage), TOHD (Odd Total Harmonic Distortion Percentage), TEHD (Even Total Harmonic Distortion Percentage), Harmonic percentage of each phase from 1st to 50th, Harmonic percentage of each phase from 1st to 50th Subharmonic voltage values
Current harmonics: THD (Total Harmonic Distortion), TOHD (Odd Total Harmonic Distortion), TEHD (Even Total Harmonic Distortion), Percentage of harmonics 1-50 in each phase, Current values ​​of harmonics 1-50 in each phase
Waveform and phase
Waveform: Voltage waveform (phase voltage or line voltage in each phase), Current waveform (each phase)
Phase angle: Voltage phase angle (each phase), Current phase angle (each phase), Voltage-current phase difference (each phase)
Unbalance
Unbalance: Voltage unbalance, Current unbalance
Demand
Power demand and peak value: Active power and total active power in each phase, reactive power and total reactive power in each phase, apparent power and total apparent power in each phase
Current demand and peak value: Current in each phase