Me631

• After-sales Service: Provide Customers with Long-Term After-Sales Warra
• Warranty: 1year
• Transport Package: Carton
• Specification: L*W*D: 96*96*99MM
• Trademark: MEATROL
• Origin: Shanghai China
• Model NO.: ME631-SD
• HS Code: 9030899090
• Production Capacity: 1000

Product Description

ME631 Three-phase Power Meter
Modbus communications overview
ME631 adopts standard protocol-Modbus-RTU. Baud rate of communication can change to 1200,2400,4800,9600 etc. through program . Error detection: CRC16 (cyclic redundancy check).
• Size: The data size in Int16
• Type: The encoding data type
• Units: The unit of the register value
• Range: The permitted values for this variable, usually a subset of what the format allows
• Description: Provides information about the register and the values that apply
Display

Maximum value measured
Parameter	Range	Resolution
Voltage	0.001V 999.9V 999.9kV 999.9MV	0.1
Current	999.9A 999.9kA	0.1
Power	999.9kW 999.9MW	0.1
Power factor	0.999	0.001
THD	99.9%	0.1%
Energy	999.9WH 999.9.KWH 999.9MWH  999.9GWH	0.1

Instantaneous rms Values
Voltage	U,UTH2,UTH3,UTH4(Per Phase,AVG)
Current	I,ITHD2,ITHD3,ITHD4(Per Phase,AVG)
Power	P,FQ,S,PF(Per Phase,SUM)
Energy	EP,EFQ,ES,Freq(Per Phase,SUM) over 999.9GWh,value reset
UTHD(%)	UTHD,THD2,THD3,THD4(Per Phase,AVG)
ITHD(%)	ITHD,THD2,THD3,THD4(Per Phase,AVG)
Update rate
Data acquisition rate	400ms
Display update rate	0.5s
Energy storage interval ( prevent losing energy when power off )	10mis(default)
Calibration
Current	Per phase,all
Voltage	Per phase,all
Power factor	Per phase,all
Energy	Reset to "0"  EP,EQ,ES all phase
Record (if order please add -SD in model No.
Record interval	1s to 9999s(default 1min)
Record format	csv
Record capacity	1GB(default) record 3.5years in default
Record data	Voltage(V),UTHD(%),Current(A),ITHD(%),Frequency(Hz),PF(power factor),Active Power(KW),Reactive Power(KVar),Apparent Power(KVa), ActiveEnergy(KWh),Reactive Energy(KVarh),Apparent Energy(KVah)

Communication
Transmission mode	RS485 port,Half duplex
RS485 link	2 wires
Communication protocol	MODBUS RTU
Settings
Communication address	1 to 247 (default 1)
Baud rate(communication speed)	1200 to 57600 baud (default 9600)
Parity	Even(default),Old,None
Data bit	8
Stop bit	1

Certificate

Environmental conditions
Operating temperature		-25ºC to +55ºC
Storage temperature		-40ºC to +85ºC
Humidity rating		5 to 95% RH at 50ºC(non-condensing)
Pullution degree		2
Overvoltage category		III,for distribution systems up to 277/480VAC
Dielectric withstand		As per IEC61010-1, Doubled insulated front panel display
Altitude		3000m Max
IP degree of protection	IP20 conforming to IEC 60629
Colour	White
Contractual warranty	12months
EMC
Electrostatic discharge		Level IV(IEC61000-4-2)
Immunity to radiated fields		Level III (IEC61000-4-3)
Immunity to fast transients		Level IV (IEC61000-4-4)
Immunity to surge		Level IV (IEC61000-4-5)
Conducted immunity		Level III (IEC61000-4-6)
Immunity to power frequency magnetic fields		0.5mT (IEC61000-4-8)
Conducted and radiated emissions		Class B (EN55022 )
Standard compliance
EN 62052-11,EN61557-12,EN 62053-21,EN 62053-22,EN 62053-23,EN 50470-1,EN 50470-3, EN 61010-1,EN 61010-2,EN 61010-031

Specification

Measurement accuracy
Current	0.5% from 1% to 120%(don't ensure accuracy when <10A)
Rated current	500A(0.5% from 10A to 600A) 3000A(0.5% from 30A to 3600A) 10kA(0.5% from 100A to 12kA)
Rogwoski coil specification	85mV/kA@50Hz±0.5%
Voltage	0.2% from 100V to 500V(L-L and L-N)
Power factor	±0.005 from 10% to 120%
Active/Apparent Power	IEC62053-22 Class 0.5
Reactive power	IEC62053-21 Class 2
Frequency	0.01% from 45 to 65Hz
Active energy	IEC62053-22 Class 0.5s
Reactive energy	IEC62053-21 Class 2
Measurement arrange
Measured voltage	100V to 500V AC
Frequency range	50/60Hz
Input-current characteristics
Primary current range	Adjustable from 0.1A to 9999A
Measurement input range	1/2^25mV-333mV
Permissible overload	600mV for 10s/hours
Control Power
AC/DC	85 to 265V AC/DC, 3W
Output
Digital output	1×digital output(2 ports)(controlled by Modbus) 2.5kVrms insulation Maximum Switching Power : 10A, 277VAC 10A, 28VDC
Wire diameter for terminals
Connections-terminals	Screw terminals 2.5mm^2,interval 5.08mm
Alarm
Setting	U and I Each phase
Output form	Buzzer,Relay