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| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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| 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 |
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| 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 |
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| 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 |
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