China Best Selling Economical Digital Energy Meter Me237 RS485 Port Multifunction Electroni Meter, Find details about China Smart Meter Modbus RTU Electricity Meter, RS485 Modbus WiFi Data Acquisition Power Meter from Best Selling Economical Digital Energy Meter Me237 RS485 Port Multifunction Electroni Meter
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 |
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 | 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 |
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 |