China 4G Wireless Digital Smart Electricity Meter Remote Monitoring, Find details about China Wireless Communication Smart Energy Meter WiFi, Wireless Communication 4G Smart Energy Meter from 4G Wireless Digital Smart Electricity Meter Remote Monitoring
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) | |
Device application | Power analysis Energy meter | |
Input type | External CT(333mV only) And External Rogowski coil | |
Display | 35 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) | ||
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 |
3PH4W no VT |
3PH3W no VT |
3PH3W with VT |
1PH2W L-N |
1PH2W L-L |
1PH3W L-L-N |