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产品名称：
ME238 Three-phase multifunctional smart meter With RJ45 Easy Connection

上市日期： 2020-11-04

1. Product description

ME238 three-phase multi-functional panel meter supports external 333mV CTs and Flexible Rogowski coil with RJ45 terminal easy to install.

ME238 supports 3PH3W and 3PH4W system; it can measure Current,Voltage,Power Factor,Harmonic,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.

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1. Product description

ME238 three-phase multi-functional panel meter supports external 333mV CTs and Flexible Rogowski coil with RJ45 terminal easy to install.

ME238 supports 3PH3W and 3PH4W system; it can measure Current,Voltage,Power Factor,Harmonic,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.

Description
Type	96*96 Panel Meter
Poles description	3PH3W ,3PH4W.
Application	Current,Voltage,Power,Energy and harmonic measurement
display screen	3.8 inch LCD segment code display screen.
Weight	259g
Dimension	LWD：8.18.13CM
Color	White and black
Model	ME238
Current sensor type	333mV CT and Rogowski coil
Advantage	3 IN 1 current sensor with RJ45 port easy to install
Current
Model	ME238
Primary Rated current	5A	100A	600A	2500A	6000A
Secondary Rated input	333mV		N/A
Input channel maximum value	500mV
Current measurement Range	0.005~5A	0.5A to 100A	0.6A to 600A	2.5A to 2500A	6A to 6000A
Recommended Sensor model	STP-5	STP-100 or STP-100R	STP-600	STP-2.5K	STP-6K
STP-5	3 IN 1 RJ45 Split core CTs (O.D.10mm)
STP-100	3 IN 1 RJ45 Split core CTs (O.D.16mm)
STP-600	3 IN 1 RJ45 Rogowski Coil (O.D.36mm)
STP-2.5K	3 IN 1 RJ45 Rogowski Coil (O.D.150mm)
STP-6K	3 IN 1 RJ45 Rogowski Coil (O.D.200mm)
Voltage
Range	0~600VAC Phase to Phase Voltage
Maximum range	720VAC Phase to Phase Voltage
Digital Signal
Energy pulse output	Active energy pulse output, optocoupler isolation (5kvrms)
Relay output	One way electromagnetic relay output, including normally open and normally closed contacts, contact capacity: 3A 30V DC, 3A 250V AC
Digital input	2-way dry contact input, optocoupler isolation (5kvrms)
Communication
RS485 communication	One way RS485 communication interface Interface type: two wire half duplex Communication baudrate: 2400bps ~ 19200bps Protocol: Modbus RTU
Power supply
Power Supply	95~265VAC/110~260VDC, 45~60Hz
Maximum power consumption	3.5VA

Measuring data
Phase Voltage	U1, U2, U3 and average value.
Line Voltage	U12, U23, U31 and average value.
Current	I1, I2, I3 and average value.
Power	Active power,Reactive power,Apparent power (total and per phase).
Energy	Active energy import,active energy export, reactive energy import, reactive energy export.apparent energy. If it exceeds 9999999.9kwh, the energy value will be reset to “0” automatically.
Harmonic	The total harmonics of each phase of voltage and current.
Power Factor	Including power factor PF and fundamental power factor DPF (average value of each phase and three phases)
Grid Frequency	Synthetic frequency
Update rate
Data refresh rate	500ms
Harmonic
Voltage	Total harmonic phase
Current	Total harmonic phase
Max / min
Voltage	Per phase
Current	Per phase
Power	Active power,Reactive power,Apparent power (sum of all phases and three phases)
Unbalance degree
Voltage	Per phase
Current	Per phase
Demand / maximum demand
Current	Per phase
Power	Active power, Reactive power, Apparent power (sum of all phases and three phases)

Measuring accuracy
Model	ME238
Current measurement	±0.5%RDG
Guarantee range of current measurement accuracy	1% FS～100%FS
Voltage measurement accuracy	0.2%(30～600V 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 2S
Active energy	IEC62053-22 level 0.5S
Reactive energy	IEC62053-21 level 2S
Environment condition
Operating temperature	-25℃～+60℃
Storage temperature	-40℃～+85℃
Humidity range	5～95% RH, 50℃(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
EMC（electromagnetic compatibility）
Electrostatic discharge	Level CAT IV 600V (IEC61000-4-2)
Radiated immunity	Level CAT III 1000V (IEC61000-4-3)
EFT Electrical fast burst immunity	Level CAT IV 600V (IEC61000-4-4)
Surge immunity	Level CAT IV 600V (IEC61000-4-5)
Conducted disturbance immunity	Level CAT III 1000V (IEC61000-4-6)
Power frequency magnetic field immunity	0.5mT (IEC61000-4-8)
Conduction and radiation	Class B (EN55022 )
Measurement standard
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

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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. .