Best Selling Electric Meter Me237 RS485 Port WiFi Support 333mv Current Transformer Electricity Meter
China Best Selling Electric Meter Me237 RS485 Port WiFi Support 333mv Current Transformer Electricity Meter, Find details about China Panel Energy Meter RS485 Electricity Meter, Wireless WiFi Three Phase Multimeter Clamp Meter from Best Selling Electric Meter Me237 RS485 Port WiFi Support 333mv Current Transformer Electricity Meter
Basic Info.
Model NO.
ME237
Theory
Electronic Meter
Power Meter Connection
RS485 Interface
Measured Signal
1/5A CT, 333mv CT, Rogowski Coil
Type
Energy Meter
Certification
RoHS, ISO, CE
Customized
Customized
Optional Gateway
Ethernet Ge19, WiFi Gw19
Optional Service
Online Real Time Power Quality Monitor
Input Type
1/5A CT, 333mv CT, Rogowski Coil
Poles Description
3p3w, 3p4w
Frequency Range
50/60Hz
Application
Current,Voltage,Power,Energy,Harmonic Measurement
Display Screen
3.8 Inch LCD Segment Code Display Screen
Current Sensor Type
1/5A CT, 333mv CT, Rogowski Coil
Primary Rated Current
5A to 6ka
Secondary Rated Input
5A or 333mv or 50mv/Ka, 85mv/Ka
Voltage Range
0~600VAC
Communication
Modbus RTU, RS485 Port
Power Supply
95~265VAC/110~260VDC, 45~60Hz
Maximum Power Consumption
3.5va
Data Refresh Rate
500ms
Trademark
MEATROL
Transport Package
Poly Bag and Stand Export Carton
Specification
8.1*8.1*3CM
Origin
China
HS Code
9030331000
Model NO.
ME237
Theory
Electronic Meter
Power Meter Connection
RS485 Interface
Measured Signal
1/5A CT, 333mv CT, Rogowski Coil
Type
Energy Meter
Certification
RoHS, ISO, CE
Customized
Customized
Optional Gateway
Ethernet Ge19, WiFi Gw19
Optional Service
Online Real Time Power Quality Monitor
Input Type
1/5A CT, 333mv CT, Rogowski Coil
Poles Description
3p3w, 3p4w
Frequency Range
50/60Hz
Application
Current,Voltage,Power,Energy,Harmonic Measurement
Display Screen
3.8 Inch LCD Segment Code Display Screen
Current Sensor Type
1/5A CT, 333mv CT, Rogowski Coil
Primary Rated Current
5A to 6ka
Secondary Rated Input
5A or 333mv or 50mv/Ka, 85mv/Ka
Voltage Range
0~600VAC
Communication
Modbus RTU, RS485 Port
Power Supply
95~265VAC/110~260VDC, 45~60Hz
Maximum Power Consumption
3.5va
Data Refresh Rate
500ms
Trademark
MEATROL
Transport Package
Poly Bag and Stand Export Carton
Specification
8.1*8.1*3CM
Origin
China
HS Code
9030331000
Product Desciption
1.Product description
ME237 three-phase multi-functional panel meter supports 1/5A CTs (ME237C) or external 333mV CTs (ME237V)or Flexible Rogowski coil(ME237V) .
ME237 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 | L*W*D:8.1*8.1*3CM | ||||
| Color | White and black | ||||
| Model | ME237C | ME237V | ME237R | ||
| Current sensor type | 1/5A CT | 333mV CT | Rogowski coil | ||
| Advantage | Traditional electric meter | Support to voltage output sensor and Current clamp | Support to Rogowski coil directly connect without amplifier(Integrator) | ||
| Current | |||||
| Model | ME237C | ME237V | ME237R | ||
| Primary Rated current | 5A to 6kA | 5A 100A 200A 500A (Accept OEM) | 600A | 2500A | 6000A |
| Secondary Rated input | 5A | 333mV | 50mV/kA | 85mV/kA | 50mV/kA |
| Input channel maximum value | 7.5A | 500mV | 500mV | 500mV | 500mV |
| Current measurement Range | 0.005~5A | 0.005~500mV | 2A to 600A | 2.5A to 2500A | 6A to 6000A |
| Recommended Sensor model | ACT ASCT | SCT-10(10mm 5A/333mV) SCT-16(16mm 100A/333mV) SCT-24(24mm 200A/333mV) SCT-36(36mm 500A/333mV) | MRC-36 | NRC-150 | NRC-200 |
| Photo |  |  |  | ||
| 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 | ||||
2.Data display
| 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) |
3.Accuracy and certification
Note: RDG: reading value, FS: full scale
| Measuring accuracy | |||
| Model | ME237C | ME237V | ME237R |
| Current measurement | ±0.3%RDG | ±0.5%RDG | ±0.5%RDG |
| Guarantee range of current measurement accuracy | 0.5% FS~100%FS | 1% FS~100%FS | 2% 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 | -25ºC~+60ºC | ||
| 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 | ||
| 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 | |||
4.Connection
The meter is equipped with rich interfaces to realize different functions.
| Point number | Point type | Point name | Point function | Remarks |
| 1 | Relay output | R1 | Relay normally open contact | One relay output with normally open and normally closed contacts |
| 2 | R0 | Relay common contact | ||
| 3 | R2 | Relay normally closed contact | ||
| 4 | Pulse output | POA | Positive end of pulse output | Active power pulse output |
| 5 | N/C | N/A | ||
| 6 | POB | Pulse output negative terminal | ||
| 7 | Relay output | DI2 | Digital input channel 2 | One relay output with normally open and normally closed contacts |
| 8 | DIC | Digital channel common terminal | ||
| 9 | DI1 | Digital input channel 1 | ||
| 10 | RS485 | GND | RS485 communication GND | RS485 communication |
| 11 | B | RS485 communication B | ||
| 12 | A | RS485 communication A | ||
| 13 | Power supply | N | Power supply(-) | Range 95~265VAC/110~260VDC, 45~60Hz |
| 14 | N/C | N/A | ||
| 15 | L | Power supply(+) | ||
| 16 | Voltage input | N | N-phase voltage input | Measurement voltage input channel |
| 17 | N/C | N/A | ||
| 18 | V3 | Phase C voltage input | ||
| 19 | N/C | N/A | ||
| 20 | V2 | Phase B voltage input | ||
| 21 | N/C | N/A | ||
| 22 | V1 | Phase A voltage input | ||
| 23 | Current input | N/C | N/A | ME237C/ME237V/ME237R Current channel interface. |
| 24 | N/C | N/A | ||
| 25 | I3- | Phase C current input negative | ||
| 26 | I3+ | Phase C current input positive | ||
| 27 | I2- | Phase B current input negative | ||
| 28 | I2+ | Phase B current input positive | ||
| 29 | I1- | Phase A current input negative | ||
| 30 | I1+ | Phase A current input positive | ||
| 31 | RJ45 | A B C three phase current input |
4.1. Power supply
The meter adopts external power supply mode, without internal direct power supply. The power supply voltage range is 95 ~ 265VAC / 110 ~ 260VDC, 45 ~ 60Hz, and the maximum power consumption is 3.5VA.- Do not connect the meter with the cable live.
- Before connecting the power supply, make sure that the power supply voltage is within the required range, otherwise the meter can not work normally.
4.2. Voltage and current input
The meter supports two wiring modes, three-phase four wire (3P4W) and three-phase three-phase (3P3W)- The actual wiring mode of the meter must be consistent with that of the internal configuration of the meter.
- Three phase four wire requires three current sensors.
- Two or three current sensors are required for three-phase three wire system. The use of two current sensors does not affect the measurement of power and electric energy, but the current of phase B cannot be measured. Three current sensors can be used to measure phase B current.
- The phase sequence of voltage and current must follow the phase sequence of ABC, otherwise the meter will display the phase sequence error of voltage and current.
For more information, please refer to ME237 manual.
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