AC Current Three Phase Energy Meter Multi Function Electricity Meter Electric Power Meter

• After-sales Service: 1 Year
• Warranty: 1 Year
• Display: No Display
• Installation: DIN Rail
• Usage: Multi-Functional Energy Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Maximum Demand Meter
• Electric Equipment: Three-phase Four-wire
• Model NO.: ME531
• Theory: Electronic Meter
• Power Meter Connection: RS485 Interface
• Measured Signal: 333mv CT, Rogowski Coil
• Type: Power Meter
• Certification: RoHS, ISO, CE
• Customized: Customized
• Product Component Type: Multifunction Power Meter
• Poles Description: 3p4w, 3p3w, 1p2w(L-N), 1p2w(L-L), 1p3w(L-L-N)
• Device Application: Power Analysis, Energy Meter
• Input Type: 333mv CT, Rogowski Coil
• Sampling Rate: 8K Samples Per Second
• Mounting Mode: DIN Rail
• Harmonic: 52th Max
• Data Acquisition Rate: 400ms
• Communication: Modbus RTU, RS485 Port
• Measured Voltage: 80V to 400V AC(or 100 to 500V)
• Frequency Range: 50/60Hz
• Power: 24VDC
• Rated Current (5 Level Selectable): 100A, 600A, 1000A, 3000A, 6000A
• Power Factor: ±0.005 From 10% to 120%
• Current Measurement Accuracy: 0.5% From 1% to 120%
• Transport Package: Poly Bag and Stand Export Carton
• Specification: 122*87*23mm
• Trademark: MEATROL
• Origin: China
• HS Code: 9030331000
• Production Capacity: 50000PCS/Year

Product Description

ME531 Three-phase Power Meter

Feature

Specification
Model	ME531
Product component type	Multifunction power meter
Poles description	3PH4W  3PH3W 1PH2W (L-N); 1PH2W(L-L);1PH3W(L-L-N)
Device application	Power analysis Energy meter
Input type	External CT(333mV only) And External Rogowski coil
Display	None Display
Sampling rate	8k samples per second
Mounting mode	DIN RAIL
Harmonic	52th Max
Mechanical characteristics
Weight		125g
Dimension		L*W*D:122*87*23mm

Instantaneous rms Values
Voltage	U,UTH2,UTH3,UTH4(Per Phase, AVG)
Current	I,ITHD2,ITHD3,ITHD4(Per Phase, AVG)
Power	P,Q,S,PF(Per Phase, SUM)
Energy	EP, EQ, ES, Freq (Per Phase, SUM) over   1.0 x 10^9kWh  ,value reset
UTHD(%)	UTHD,THD2,THD3,THD4(Per Phase, AVG)
ITHD(%)	ITHD,THD2,THD3,THD4(Per Phase, AVG)
PF	PFa, PFb, PFc, AVG
Update rate
Data acquisition rate	400ms
Calibration
Current	Per phase, all
Voltage	Per phase, all
Power factor	Per phase ,all
Energy	Reset to "0"  EP,EQ,ES all phase

MODBUS RS485

Communication
Transmission mode	RS485 port,Half duplex
RS485 link	3 wires
Communication protocol	MODBUS RTU
Settings
Communication address	1 to 247 (default 1)
Baud rate(communication speed)	1200 to 57600 baud (default 19200)
Parity	None (default),Old, Even
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  (5 level selectable)	100A(0.5% from 10A to 120A)    600A(0.5% from 10A to 720A)   1000A(0.5% from 10A to 1200A)   3000A(0.5% from 30A to 3600A)  6000A(0.5% from 60A to 7200A)
Rogwoski coil connect setting	100A	MRC-16
	600A	MRC-36
	1000A	Y-FCT-200 or Y-FCT-350 or NRC-100
	3000A	NRC-150 or Y-FCT-510
	6000A	NRC-200 or Y-FCT-800
Voltage	0.2% from 80V to 400V(or 100 to 500V)
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	80V to 400V AC(or 100 to 500V)
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
Power
AC/DC	24VDC
Output
Relay	1×digital output(2 ports) from 1pcs relay,rated 24V/800mA, 75mΩmax, 2.5kVrms insulation(controlled by Modbus) Maximum Switching Power : 0.5A, 125VAC 1A, 30VDC
Opticalcoupler	Max voltage :80VDC;Max current 50mA Recommend Current :10mA
Wire diameter for terminals
Connections-terminals	Screw terminals 2.5mm^2,interval 5.08mm
Alarm
Setting	U and I Each phase,AVG
Output form	Relay

Port definition

Port number	Port name	Port function	Remarks
1	IA+	A-phase current input positive	A-phase current
2	IA-	A-phase current input negative
3	IB+	B-phase current input positive	B-phase current
4	IB-	B-phase current input negative
5	IC+	C-phase current input positive	C-phase current
6	IC-	C-phase current input negative
7	N/A	To be option	Option
8	N/A	To be option
9	N/A	To be option
10	Un	C-phase voltage input	Voltage input
11	Uc	B-phase voltage input
12	Ub	A-phase voltage input
13	Ua	N-phase voltage input
14	N/A	To be option	Option
15	N/A	To be option
16	N/A	To be option
17	N/A	To be option
18	A	RS485 A	RS485 communication
19	B	RS485 B
20	GND	RS485 GND
21	OP+	Coupler output +	Coupler output
22	OP-	Coupler output -
23	RCOM	Relay output -	Relay output
24	RO1	Relay output +
25	V-	Power supply -	Power 85~265V AC/DC Or 24VDC
26	V+	Power supply +

For more information, please refer to ME531 manual. 

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