Me437

• After-sales Service: Provide Customers with Long-Term After-Sales Warra
• Warranty: 1year
• Transport Package: Carton
• Specification: L*W*D: 76*95*71mm
• Trademark: MEATROL
• Origin: Shanghai China
• Model NO.: ME437-SD
• HS Code: 9030899090
• Production Capacity: 1000

Product Description

Modbus communications overview

MEM437 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).

• Register Alias: The meaning of the register

• Register Address: Modbus address of register encoded in the Modbus frame, in decimal (dec)

• Action: The read/write by command register

• 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

Connectivity advantages
MODEL	ME437-SD
Support Extra sensor	333mV CT  Rogowski coil
Programmable digital output	Relay
I/O function	1*digital output
Power	85~265V AC/DC
Storage	1GB SD card(Max 4GB) (save intervals 1mins default)

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		L*W*D:96*96*99mm

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

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

For more detailed information, please refer to the official manual