Multi Loop Current Monitoring Multi Current Sensors Me131m Master and Slave Electric Energy Power Meter

Product Description

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ME131 multi-circuit smart energy meter supports three-phase three-wire and three-phase four-wire systems. It can measure multi electrical parameters such as current, voltage, power factor, harmonic, power and energy of electric network phase L1, L2 and L3.
With standard configuration of RS485 communication interface and standard Modbus-RTU protocol, ME131 is compatible with various configuration systems and could transmit the electrical parameters collected by the front end to the system data center in real time.

Product Description

 

Description
Mounting type	Din Rail
Model No.	Master meter: ME131M, Submeter: ME131S
Type of current sensor	Rogowski coil Voltage-output current transformer
Feature	Directly connect to Rogowski coil
Advantage	Wide current range, measurement without dismantling
Wiring system	3P4W_3CT, 3P3W_3CT, 3P3W_2CT, 1P3W, 1P2W
Application field	Power analysis and energy consumption monitoring
Display screen	None
Weight	ME131M: 122g; ME131S: 59g
Dimension	ME131M: L*W*D 9.3*8.0*3.6CM; ME131S: L*W*D 9.3*8.0*1.81CM
Color	White
Current measurement
Channel input voltage range	0-900mVAC peak, 636 mV RMS
Measurement range	Different current sensors have different measuring ranges
Rogowski coil	50mV/kA@50Hz(0-12000A), @60Hz(0-10000A) 85mV/kA@50Hz(0-7000A), @60Hz(0-6000A) 100mV/kA@50Hz(0-6000A), @60Hz(0-5000A) ...
Voltage-output CT	0~99999A
Voltage measurement
Measurement range	0~600VAC
Maximum measured value	720VAC
Digital signal
Switching output	1-circuit electromagnetic relay output, contact capacity: 3A 30V DC,3A 250V AC
Switching value input	Optocoupler isolation(5kVrms)
Communication
RS485 Communication	One RS485 communication interface Interface type: two-wire half-duplex Communication baud rate: 2400bps~38400bps Protocol: Modbus-RTU
Power supply
Power supply	85~265VAC/110~370VDC, 45~60Hz (24V DC power supply version could be customized)
Maximum power consumption	≤3.5VA

Measurement Parameters

Instantaneous value
Phase Voltage	U1, U2, U3, AVG, U0 (Zero sequence voltage)
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	Total harmonic(U1, U2, U3) Odd total harmonic(U1, U2, U3) Even total harmonic(U1, U2, U3) Sub-harmonic 1-50th(U1, U2, U3)
Current Harmonic Distortion	Total harmonic(I1, I2, I3) Odd total harmonic(I1, I2, I3) Even total harmonic(I1, I2, I3) K-factor(I1, I2, I3) Sub-harmonic 1-50th(I1, I2, I3)
Voltage Harmonic Value	Total harmonic(U1, U2, U3) Sub-harmonic 1-50th(U1, U2, U3)
Current Harmonic Value	Total harmonic(I1, I2, I3) Sub-harmonic 1-50th(I1, I2, I3)
Phase
Phase sequence	Voltage, Current
Voltage angle	U1, U2, U3
Current angle	I1, I2, I3
Voltage-current angle	UI1, UI2, UI3
Demand
Demand	Total active power, total reactive power, total apparent power
Maximum demand of total active power	Maximum demand and time
Maximum demand of total reactive power	Maximum demand and time
Maximum demand of total apparent power	Maximum demand and time
Unbalance
Voltage unbalance	Negative Sequence, zero Sequence
Current unbalance	Negative Sequence, zero Sequence
Max. & Min.
Phase Voltage	Each phase and average
Line Voltage	Each phase and average
Current	Each phase and average
Active power	Each phase and total
Reactive power	Each phase and total
Apparent power	Each phase and total

Measurement Accuracy
Current measurement accuracy	0.1%+ Current sensor accuracy
Voltage measurement accuracy	±0.2%(60V~600V AC)
Grid frequency	±0.01%(45~65Hz)
Power factor	±0.005