ME437 Three-phase Power Meter

ME437 Three-phase Power Meter

ME437 MODBUS LIST MANUAL DOWNLOAD BELOW

ME437 Three-phase Power Meter 6369826469104409336884797.pdf

ME437 CSV TEMPLATE FILE IN SD CARD DOWNLOAD BELOW

Connectivity advantages
MODEL	ME437
Support Extra sensor	333mV CT Rogowski coil
Programmable digital output	Relay
I/O function	1*digital output
Power	85~265V AC/DC

Feature

Specification
Model		ME437
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		35 inch TFT screen display
Sampling rate		8k samples per second
Mounting mode		Panel mounting
Harmonic		52th Max
Display characteristics
Feature	3.5 Inch TFT screen display 320*480
Mechanical characteristics
Weight	350g
Dimension	LWD:969699mm

Display

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 999.9MWh,value reset
UTHD(%)	UTHD,THD2,THD3,THD4(Per Phase,AVG）
ITHD(%)	ITHD,THD2,THD3,THD4(Per Phase,AVG）
DPF	DPFa,DPFb,DPFc,AVG
Update rate
Data acquisition rate	400ms
Display update rate	0.5s
Calibration
Current	Per phase,all
Voltage	Per phase,all
Power factor	Per phase,all
Energy	Reset to “0” EP,EQ,ES all phase
Pulse Output
Pulse rate changeable by rated current	Rated current :100A/500A/1000A/5000A IMP/KWH :300/60/30/6

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 9600)
Parity	Even(default),Old,None
Data bit	8
Stop bit	1

Video

Environmental conditions
Operating temperature		-25℃ to +55℃
Storage temperature		-40℃ to +85℃
Humidity rating		5 to 95% RH at 50℃(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

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 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	1/2²⁵mV-333mV
Permissible overload	600mV for 10s/hours
Control Power
AC/DC	85 to 265V AC/DC, 3.5W
Output
Digital output	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
Wire diameter for terminals
Connections-terminals	Screw terminals 2.5mm²,interval 5.08mm
Alarm
Setting	U and I Each phase,AVG
Output form	Relay

2018 CATALOGUE