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| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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| 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 |
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| Power supply | |||||
| Power | ME337XX2 | ME337XX3 | ME337XX4 | ||
| 95~265VAC/110~370VDC,45~60Hz | 18-36VDC | 9-18VDC | |||
| Maximum power consumption | 3.5VA | ||||
| 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 |
| 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 | |
| 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) |
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