Model ME631
Product Type: Multifunctional Energy Meter
Supports 333mV Current Sensor, Rogowski Coil
Programmable Output: 1-channel relay output
Power Supply: 85~264VAC/100~370VDC
Optional Storage: 1GB SD card storage, default storage interval 60 seconds
Supported Wiring Methods: 3PH4W, 1PH2W(L-N), 1PH3W(L-L-N), 3PH3W, 1PH2W(L-L)
Applications: Power quality analysis, billing
Current Input Mode: External 333mV output CT, external Rogowski coil
Display Screen: 2.0-inch TFT color LCD screen, 220×170 pixels, size 39mm×32mm
Sampling Rate: 8kbps
Installation Method: Clip-on, DIN rail mounting
Harmonic Measurement: Maximum 52 harmonics
Weight: 212g
Dimensions 769571mm
Voltage Measurement Range: 0.001V-999.9mV, Resolution: 0.1
Current Measurement Range: 0.1A-999.9kA, Resolution: 0.1
Power Measurement Range: 0-999.9MW, Resolution: 0.001
Power Factor Measurement Range: 0-0.999, Resolution: 0.001
Total Harmonic Distortion: 0-99.9%, Resolution: 0.1%
Energy Measurement Range: 0-999.9GWH, Resolution: 0.1kWh/0.01MWH
Instantaneous Measurement Items: Voltage, Current, Power, Energy, Harmonic Distortion (including 2nd-4th harmonics)
Data Acquisition Rate: 400ms
Display Refresh Rate: 1.0s
Calibration Items: Current, Voltage, Power Factor calibration; Energy zeroing calibration
Storage Interval: 1-9999s, Default: 60s
Storage Format: CSV
Storage Capacity: 1GB, continuous recording for 3 years
RS485 communication mode: Half-duplex, 2-pin grounded, Modbus-RTU
Communication address: 1-247, default 1
Baud rate: 1200-57600bps, default 9600
Parallel check: Even parity (default), odd parity, no parity
Data bits/stop bits: 8 data bits, 1 stop bit
Operating temperature: -25℃~+55℃
Storage temperature: -40℃~+85℃
Operating humidity: 5-95% RH@50℃ (non-condensing)
Pollution degree: 2
Insulation class: Class III, suitable for 277/480VAC power distribution systems
Withstand voltage standard: Complies with IEC61010-1
Maximum applicable altitude: 3000m
Protection class: IP20 (IEC 60629)
Content color: White
Current measurement accuracy: 0.5% (1%-120%FS)
Voltage measurement accuracy: 0.2% (50V-360V phase-zero, 80V-620V phase-phase)
Power factor accuracy ±0.005 (10%-120%)
Active/apparent power accuracy IEC62053-22 Class 0.2
Reactive power accuracy IEC62053-21 Class 2
Frequency measurement accuracy 0.01% (45-65Hz)
Active energy accuracy IEC62053-22 Class 0.2s
Reactive energy accuracy IEC62053-21 Class 2
Primary current measurement range 0.1A-9999A adjustable
Current input range 1/2²⁵mV-333mV
Overload capacity 600mV, 10s/hours
Power consumption AC/DC 3W, maximum 5VA
Digital output 1 relay output
Terminal specifications Maximum compatibility 2.5mm² cable, 5.08mm spacing
Alarm functions: Overvoltage, overcurrent, undervoltage, low current, buzzer output
EMC immunity levels: Electrostatic discharge level IV, radiated immunity level III, fast transient/surge/conducted immunity level IV
Complies with standards EN62052-11, EN61010 series, etc.