Customization: | Available |
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Display: | 3.5 Inch TFT Screen Display |
Installation: | Direct Connected |
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Connectivity advantages | |
MODEL | ME437-SD |
Support Extra sensor | 333mV CT Rogowski coil |
Programmable digital output | Relay |
I/O function | 1*digital output |
Power | 85~265V AC/DC |
Storage | 1GB SD card(Max 4GB) (save intervals 1mins default) |
Specification | |||
Model | ME437 | ||
Product component type | Multifunction power meter | ||
Poles description | 3PH4W 3PH3W 1PH2W (L-N); 1PH2W(L-L);1PH3W(L-L-N) |
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Device application | Power analysis Energy meter |
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Input type | External CT(333mV only) And External Rogowski coil |
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Display | 3.5 inch TFT screen display | ||
Sampling rate | 8k samples per second | ||
Mounting mode | Panel mounting | ||
Harmonic | 52th Max | ||
Display characteristics | |||
Feature | 3.5 Inch TFT screen display 320*480 | ||
Mechanical characteristics | |||
Weight | 350g | ||
Dimension | L*W*D:96*96*99mm |
Maximum value measured | ||
Parameter | Range | Resolution |
Voltage | 0.001V 999.9V 999.9kV 999.9MV |
0.1 |
Current | 999.9A 999.9kA |
0.1 |
Power | 999.9kW 999.9MW |
0.1 |
Power factor | 0.999 | 0.001 |
THD | 99.9% | 0.1% |
Energy | 999.9WH 999.9.KWH 999.9MWH 999.9GWH |
0.1KWH 0.01MKWH |
Instantaneous rms Values | |
Voltage | U,UTH2,UTH3,UTH4(Per Phase,AVG) |
Current | I,ITHD2,ITHD3,ITHD4(Per Phase,AVG) |
Power | P,FQ,S,PF(Per Phase,SUM) |
Energy | EP,EFQ,ES,Freq(Per Phase,SUM) over 999.9MWh,value reset |
UTHD(%) | UTHD,THD2,THD3,THD4(Per Phase,AVG) |
ITHD(%) | ITHD,THD2,THD3,THD4(Per Phase,AVG) |
DPF | DPFa,DPFb,DPFc,AVG |
Update rate | |
Data acquisition rate | 400ms |
Display update rate | 0.5s |
Calibration | |
Current | Per phase,all |
Voltage | Per phase,all |
Power factor | Per phase,all |
Energy | Reset to "0" EP,EQ,ES all phase |
Pulse Output | |
Pulse rate changeable by rated current | Rated current :100A/500A/1000A/5000A IMP/KWH :300/60/30/6 |
Communication | |
Transmission mode | RS485 port,Half duplex |
RS485 link | 3 wires |
Communication protocol | MODBUS RTU |
Settings | |
Communication address | 1 to 247 (default 1) |
Baud rate(communication speed) | 1200 to 57600 baud (default 9600) |
Parity | Even(default),Old,None |
Data bit | 8 |
Stop bit | 1 |
Environmental conditions | ||
Operating temperature | -25ºC to +55ºC | |
Storage temperature | -40ºC to +85ºC | |
Humidity rating | 5 to 95% RH at 50ºC(non-condensing) | |
Pullution degree | 2 | |
Overvoltage category | III,for distribution systems up to 277/480VAC | |
Dielectric withstand | As per IEC61010-1, Doubled insulated front panel display | |
Altitude | 3000m Max | |
IP degree of protection | IP20 conforming to IEC 60629 | |
Colour | White | |
Contractual warranty | 12months | |
EMC | ||
Electrostatic discharge | Level IV(IEC61000-4-2) | |
Immunity to radiated fields | Level III (IEC61000-4-3) | |
Immunity to fast transients | Level IV (IEC61000-4-4) | |
Immunity to surge | Level IV (IEC61000-4-5) | |
Conducted immunity | Level III (IEC61000-4-6) | |
Immunity to power frequency magnetic fields | 0.5mT (IEC61000-4-8) | |
Conducted and radiated emissions | Class B (EN55022 ) | |
Standard compliance | ||
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 |
Measurement accuracy | |||
Current | 0.5% from 1% to 120%(don't ensure accuracy when <10A) | ||
Rated current | 500A(0.5% from 10A to 600A) 3000A(0.5% from 30A to 3600A) 10kA(0.5% from 100A to 12kA) |
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Rogwoski coil specification | 100A | MRC-16 | |
600A | MRC-36 | ||
1000A | Y-FCT-200 or Y-FCT-350 or NRC-100 | ||
3000A | NRC-150 or Y-FCT-510 | ||
6000A | NRC-200 or Y-FCT-800 | ||
Voltage | 0.2% from 80V to 400V(or 100 to 500V) | ||
Power factor | ±0.005 from 10% to 120% | ||
Active/Apparent Power | IEC62053-22 Class 0.5 | ||
Reactive power | IEC62053-21 Class 2 | ||
Frequency | 0.01% from 45 to 65Hz | ||
Active energy | IEC62053-22 Class 0.5s | ||
Reactive energy | IEC62053-21 Class 2 | ||
Measurement arrange | |||
Measured voltage | 80V to 400V AC(or 100 to 500V) | ||
Frequency range | 50/60Hz | ||
Input-current characteristics | |||
Primary current range | 100A | 0.5A to 120A | |
600A | 0.5A to 720A | ||
1kA | 1A to 1200A | ||
3kA | 3A to 3600A | ||
6kA | 6A to 7200A | ||
Measurement input range | 1/225mV-333mV | ||
Permissible overload | 600mV for 10s/hours |
Control Power | |
AC/DC | 85 to 265V AC/DC, 3.5W |
Output | |
Digital output | 1×digital output(2 ports) from 1pcs relay,rated 24V/800mA, 75mΩmax, 2.5kVrms insulation(controlled by Modbus) Maximum Switching Power : 0.5A, 125VAC 1A, 30VDC |
Wire diameter for terminals | |
Connections-terminals | Screw terminals 2.5mm2,interval 5.08mm |
Alarm | |
Setting | U and I Each phase,AVG |
Output form | Relay |
Record | |
Record interval | 1s to 9999s(default 1min) |
Record format | csv |
Record capacity | Micro SD card 1GB(default) |
Store about 1K Bytes data each time | |
record 2 years (1min & 1GB) | |
Record data | Date&time, Voltage(V),UTHD(%),Current(A),ITHD (%), ITHD3(%),ITHD5(%), ITHD7(%), ITHD11(%), ITHD13(%), ITHD3(A), ITHD5(A), ITHD7(A), ITHD11(A), ITHD13(A) Frequency(Hz), PF(power factor), Active Power(W),Reactive Power(Var),Apparent Power(Va), Active Energy(Wh),Reactive Energy(Varh),Apparent Energy(Vah) Current Demand(A),Current Peak Demand(A)&Date Total Active Power Deamnd(W) Total Active Power Peak Deamnd(W)&Date Total Reactive Power Deamnd(W) Total Reactive Power Peak Deamnd(W)&Date Total Apparent Power Deamnd(W) Total Apparent Power Peak Deamnd(W)&Date |
Characteristics | Description |
Reset | |
Minimum and maximum values | - |
Peak demand values | - |
Current demand calculation method | 1 to 60 minutes |
Power demand calculation method | 1 to 60 minut |