Me337 Rogowski Modbus R485 96*96mm Panel Energy Meter AC Digital LCD Power Analyzer

• After-sales Service: 1 Year
• Warranty: 1 Year
• Display: Digital
• Installation: Panel Mounting
• Usage: Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter, Power Analyzer
• Electric Equipment: Three-phase Four-wire
• Model NO.: ME337
• Theory: Electronic Meter
• Power Meter Connection: Terminal Type or RJ45 Port
• Measured Signal: Cts and Rogowski Coil
• Type: Energy Meter
• Certification: RoHS, ISO, CE
• Customized: Customized
• Input Type: External Cts, External Rogowski Coil
• Programmable Digital Output: Alarm, 6 Tariff
• Power Supply: 95~265VAC, 12V DC, 24V DC
• Poles Description: 3pH4w 3pH3w 1pH2w (L-N) 1pH2w(L-L) 1pH3w(L-L-N)
• Device Application: Power Analysis, Tariff Meter
• Sampling Rate: 8K Samples Per Second
• Harmonic: 50th Max
• Communication Rate Rate: 2400BPS~115200BPS
• Accuracy: Class 0.5s
• Transmission Mode: Modbus RTU, RS485 Port
• Primary Current Range: Adjustable From 0.1A to 9999A
• Voltage: 0-600VAC
• Frequency Range: 50/60Hz
• Display Screen: LCD Display
• Transport Package: Poly Bag and Stand Export Carton
• Specification: 96*96 *45mm
• Trademark: MEATROL
• Origin: China
• HS Code: 9030331000
• Production Capacity: 50000PCS/Year

Product Description

ME337
Three phase multi-function Smart meter 

ME337 panel type three-phase multi-function power meter, connecting to external Rogowski coil or voltage type CTs, realize the test without removing the wire, simplify the test steps, and save construction costs. ME337 supports three-phase and single-phase systems; It can measure multiple electrical parameters such as voltage, current, power factor, harmonics, power, and energy of A, B and C phases.
ME337 is equipped with RS485 communication interface, through the standard Modbus-RTU protocol, can be compatible with various configuration systems, the front-end collected electrical parameters real-time transmission to the system data center.
 

1.  Product Features
*Fast installation
    Product size is standard 96 panel type
    Installation method is a snap on type, without screws
*Support multiple current transformer connections
    The ME337N series supports a new type of current transformer - rogowski coil direct connection, without the need for an external integrator 
    The ME337N series supports voltage output type current transformer connection simultaneously
    The ME337C series supports direct current connection, with a maximum connection current of 7A
*Support multiple power grid systems
    Supports three-phase four wire, three-phase three wire, one phase three phase, and single-phase systems
*Multiple power supply options available
    Available in 220VAC, 24VDC and 12VDC power supplies
*Support voltage and current harmonic measurement
    Supports voltage, current, fractional harmonics, up to 50 measurements
    Support voltage and current harmonic distortion and harmonic value measurement
    Support voltage and current total harmonic distortion measurement
*More features
    Support 6 rate tariff energy, support RTC switching or manual switching
    Support demand measurement
    Support alarm setting
    Support current transformer orientation modification
    Support current channel modification

           Model naming
 

 2.  Features overview
 

Overview
Type	Panel type
Model	ME337
Current sensor type	ME337N		ME337C
	Rogowski coil, voltage output type CT		Current type transformer
Characteristic	Support direct access to Rogowski coils		Direct current connection
Advantage	Suitable for wide current range, without disassembling wires for measurement
Wire system	3P4W 4CT,3P4W 3CT,3P3W 3CT,3P3W 2CT,1P3W,1P2W
Application	Power analysis, energy measurement
Display screen	LCD display
Weight	259g
Size	L*W*D:96*96 *45mm
Color	White and black
Current measurement
Channel input range	ME337N				ME337C
	0-900mVAC peak,636mV RMS				0-7A AC
Measuring range	Rogowski coils		Voltage output type CT		0-7A AC
	50mV/kA@50Hz(0-12000A),@60Hz(0-10000A) 85mV/kA@50Hz(0-7000A),@60Hz(0-6000A) 100mV/kA@50Hz(0-6000A),@60Hz(0-5000A)...		Varies with instrument transformer parameters
Voltage measurement
Measuring range	0~600VAC Phase voltage
Maximum measurement	720VAC Phase voltage
Digital signal
Relay output	1 electromagnetic relay output, contact capacity: 3A 30V DC, 3A 250V AC
Digital input	2 dry contact inputs, optocoupler isolated (5kVrms)
Communication
RS485	One RS485 communication interface, interface type: two-wire half-duplex Communication rate: 2400bps~115200bps Specification: Modbus-RTU
Power supply
Power	ME337XX2	ME337XX3		ME337XX4
	95~265VAC/110~370VDC,45~60Hz	18-36VDC		9-18VDC
Maximum power consumption	3.5VA

3.  Data display
 

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,∑ (Total)
Power factor PF	PF1,PF2,PF3,∑(Total)
Displacement Power factor DPF	DPF1,DPF2,DPF3,∑(Total)
Active power	P1,P2,P3,∑(Total)
Reactive power	Q1,Q2,Q3,∑(Total)
Apparent power	S1,S2,S3,∑(Total)
Energy
Active Energy Import	EP1,EP2,EP3,∑(Total) When the total Energy reaches 1.0 x 10^9 kWh, the energy of each phase will automatically clear to zero
Active Energy Export	EP1,EP2,EP3,∑(Total) When the total Energy reaches 1.0 x 10^9 kWh, the energy of each phase will automatically clear to zero
Reactive Energy Import	EQ1,EQ2,EQ3,∑(Total) When the total Energy reaches 1.0 x 10^9 kVARh, the energy of each phase will automatically clear to zero
Reactive Energy Export	EQ1,EQ2,EQ3,∑(Total) When the total Energy reaches 1.0 x 10^9 kVARh, the energy of each phase will automatically clear to zero
Apparent Energy	ES1,ES2,ES3,∑(Total) When the total Energy reaches 1.0 x 10^9 kVAh, the energy of each phase will automatically clear to zero
Tariff Energy	ET1,ET2, ET3,ET4, ET5,ET6 When Energy reaches 1.0 x 10^9 kWh, Energy automatically clears to zero
Harmonics
Voltage harmonic percentage	Total harmonics (U1, U2, U3), odd total harmonics (U1, U2, U3), even total harmonics (U1, U2, U3) Fractional harmonics of order 1-50 (U1, U2, U3)
Current harmonic percentage	Total harmonics (I1, I2, I3), odd total harmonics (I1, I2, I3), even total harmonics (I1, I2, I3), K factor (I1, I2, I3) Fractional harmonics of order 1-50 (I1, I2, I3)
Voltage harmonic value	Total harmonics (U1, U2, U3) Fractional harmonics of order 1-50 (U1, U2, U3)
Current harmonic value	Total harmonics (U1, U2, U3) Fractional harmonics of order 1-50 (U1, U2, U3)
Phase diagram
Phase sequence	Voltage, current
Voltage angle	U1,U2,U3
Current angle	I1,I2,I3
Voltage and current angle	UI1,UI2,UI3
Demand
Demand	Total Active power, Total Reactive power, Total Apparent power
Total Active power demand max	Maximum demand and time
Total Reactive power demand max	Maximum demand and time
Total Apparent power demand max	Maximum demand and time
Unbalance
Voltage unbalance	Negative order, zero order
Current unbalance	Negative order, zero order
Max.&Min.
Phase voltage	Phases and averages
Line voltage	Phases and averages
Current	Phases and averages
Active power	Phases and averages
Reactive power	Phases and averages
Apparent power	Phases and averages

4.  Accuracy and certification
 

Measuring accuracy
current measurement accuracy	0.1%+Accuracy of current sensor
Voltage measurement accuracy	±0.2%(60V~600V AC)
Grid frequency	±0.01%(45~65Hz)
Power factor	±0.005
Active and apparent power	IEC62053-22 level 0.5S
Reactive power	IEC62053-21 level 1S
Active energy	IEC62053-22 level 0.5S
Reactive energy	IEC62053-21 level 1S
Environment condition
Operating temperature	-20ºC~+70ºC
Storage temperature	-40ºC~+85ºC
Humidity range	5~95% RH, 50ºC(non-condensing)
Class of pollution	2
Over voltage capability	CAT III 1000V, It is suitable for distribution system below 277 / 480VAC
Insulation strength	IEC61010-1
Altitude	3000m Max
Antipollution level	IP20(Meet the standard of  IEC 60629)
Quality guarantee period	12 months

 

 

Current sensors for reference, more options could be offered.
 

RATED CURRENT	CURRENT SENSOR	DESCRIPTION
5A	SCT-10	Diameter 10mm
50A	SCT-16	Diameter 16mm
100A	MRC-16	Diameter 16mm (Rogowski coil)
300A	MRC-24	Diameter 24mm (Rogowski coil)
600A	MRC-36	Diameter 36mm (Rogowski coil)
1kA	NRC-100	Diameter 100mm (Rogowski coil)
3kA	NRC-150	Diameter 150mm (Rogowski coil)
6kA	NRC-200	Diameter 200mm (Rogowski coil)