ME231 Three-phase multifunctional smart meter

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产品名称：
ME231 Three-phase multifunctional smart meter

上市日期： 2022-12-09

Description
Type	DIN rail
Model	ME231
Current sensor type	Rogowski coil Voltage-output current clamp
Advantage	Suitable for wide current range, no dismantling measurement
Wiring system	3P4W 4CT，3P4W 3CT，3P3W 3CT，3P3W 2CT，1P3W，1P2W
Application field	Power analysis Tariff meter
Display screen	1.77 inch TFT screen display
Weight	259g
Dimension	LWD: 9.457.256.6CM
Color	White
Current
Channel input voltage range	0-900mVAC peak,636 mV RMS
Measurement range	Different current sensors have different ranges
Rcoil	50mV/kA@50Hz(0-12000A),@60Hz(0-10000A) 85mV/kA@50Hz(0-7000A),@60Hz(0-6000A) ...
VCT	0~99999A
Voltage
Channel input voltage range	0~600VAC Phase Voltage
Maximum range	720VAC Phase Voltage
Digital Signal
Relay output	One way electromagnetic relay output，contact capacity:3A 30V DC，3A 250V AC
Digital input	One way dry contact input, optocoupler isolation（5kVrms）
Communication
RS485 communication	One way RS485 communication interface Interface type: two wire half duplex Communication baudrate: 2400bps ~ 38400bps Protocol: Modbus RTU
Power supply
Power Supply	95~265VAC/110~260VDC，45~60Hz(DC power supply version can be customized)
Maximum power consumption	3.5VA

DATASHEET »

The ME231 is a DIN-Rail three-phase multifunctional smart meter that supports externally connected with open type Rogowski coil or voltage type CT, it can realize none dismantling wire test, simplify test steps, save construction cost, and is more convenient for engineering test as well as the inspection and maintenance of distribution system.

The ME231 support systems of single-phase and three-phase. It can measure multiple electrical parameters such as current, voltage, power factor, harmonics, power, energy and other electrical parameters of L1,L2,L3.The standard RS485 communication interface can be compatible with various configuration systems through the standard MODBUS-RTU protocol.

Instantaneous value
Phase Voltage	U1,U2,U3,AVG
Line Voltage	U12,U23,U31,AVG
Current	I1,I2,I3,AVG,IN
Grid Frequency	F1,F2,F3,∑
Power Factor PF	PF1,PF2,PF3,∑
Fundamental power factor DPF	DPF1,DPF2,DPF3,∑
Active power	P1,P2,P3,∑
Reactive power	Q1,Q2,Q3,∑
Apparent power	S1,S2,S3,∑
Energy
Active energy Pos.	EP1,EP2,EP3,∑
Active Energy Neg.	EP1,EP2,EP3,∑
Reactive Energy Pos.	EQ1,EQ2,EQ3,∑
Reactive energy Neg.	EQ1,EQ2,EQ3,∑
Apparent Energy	ES1,ES2,ES3,∑
Tariff Energy	ET1,ET2, ET3,ET4, ET5,ET6
Harmonics
Voltage Harmonic Distortion	THD (Total harmonic percentage), TOHD (Odd total harmonic percentage), TEHD (Even total harmonic percentage), phase L1.L2.L3 1-50th harmonic percentage, phase ABC 1-50th harmonic voltage value
Voltage Harmonic Value
Current Harmonic Distortion	THD （Total harmonic percentage）, TOHD (Odd total harmonic percentage), TEHD (Even total harmonic percentage), phase L1.L2.L3 1- 50th harmonic percentage, phase ABC 1-50th harmonic current value
Current Harmonic Value
Phasor diagram
Phasor diagram	between voltage and current
Phase Sequence	voltage and current
Voltage Angle	U1,U2,U3
Current Angle	I1,I2,I3
UI Angle	UI1,UI2,UI3
Demand
Demand	P,Q,S
Active power DMD Max.	P and Time
Reactive power DMD Max.	Q and Time
Apparent power DMD Max.	S and Time
Unbalance
Voltage unbalance	Negative Sequence, zero Sequence
current unbalance	Negative Sequence, zero Sequence
Max.&Min.
Phase Voltage	U1,U2,U3,AVG
Line Voltage	U12,U23,U31,AVG
Current	I1,I2,I3,AVG,IN
Active power	P1,P2,P3,∑
Reactive power	Q1,Q2,Q3,∑
Apparent power	S1,S2,S3,∑

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Company

ROGOWSKI TECHNOLOGY (SHANGHAI) CO., LTD. is located in the International Incubator Center in Caohejing High-tech park of Shanghai, specializing in the production and development of current sensor and its related meter. Over years, the company has cooperated with many domestic leading research institutions,international university, and has successfully developed Rogowski coil with self-sufficiency just property rights. .