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Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter
Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter
Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter
Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter
Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter
Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter

Me440 Electrical Instruments Meter Energy Power Meter Data Logger Three Phase Electric Test Meter

Min.Order: 1
Product origin: Shanghai, China
Infringement complaint: complaintComplaint
US$ 260 ~ 300

Description
                                                                                                                   Senior Product Consultant
                                                                                                                            Susan 
 

 
Connector advantages
ModelME440
Support Extra sensor4pcs BNC terminal 333mV CT
4pcs BNC terminal 320mV current clamp
4pcs BNC terminal Rogowski coil
Storage16GB Memory,USB DISK download
(save intervals 1mins default)
Power2*18650 lithium battery(wroking time: approx 10 hours)
Or 5V DC power supply(included adaptor)
 
 
 
Feature
Specification
ModelME440
Product component typeHandheld;poly-phase;data logger;power analyzer
Poles description3PH4W  3PH3W
1PH2W (L-N); 1PH2W(L-L);1PH3W(L-L-N)
Device applicationPower analysis
Data log
Input typeExternal Rogowski coil
External CT(333mV only)
Display3.5 inch TFT screen display
Sampling rate 8k samples per second
Harmonic51th in the mean time
Mechanical characteristics
Weight850g (with Accessory 2kgs)
DimensionL*W*D:21.5*13*6CM
Power Meter Characteristics
The power meter measures currents and voltages and reports real-time RMS values for all 3-phases and neutral. In addition, the power meter calculates power factor, realpower, reactive power, and more.
The following sections list the metering characteristics of the power meter.

Real-Time Measuring
The following table lists the metering characteristics of the power meter for the real-time
measurement:
Characteristics Description
Current Per phase, neutral, and average of 3 phases
Voltage L-L, L-N, and average of 3 phases,N-PE
Frequency 45...65 Hz
Active power Total and per phase (signed)
Reactive power Total and per phase (signed)
Apparent power Total and per phase(signed)
Power factor (True)Total and per phase
0.000 to 1 (signed)
AngleVoltage angle,Current angle
Current unbalance Per phase, most unbalanced of 3 phases
Voltage unbalance most unbalanced of 3 phases



Minimum/Maximum Values
When any one-second real-time reading reaches its highest or lowest value, the power meter saves the minimum and maximum values in its nonvolatile memory.
From the power meter display, you can:
• view all min./max. values since the last reset and the reset date and time.
• reset min./max. values.
All running min./max. values are arithmetic minimum and maximum values. For example, the minimum phase A-N voltage is the lowest value in the range from 0 to 999.9GV that has occurred since last reset of the min./max. values.
The power meter provides time stamping for all minimum/maximum values.
The following table lists the minimum and maximum values stored in the power meter:
 
Characteristics Description
CurrentPer phase and average
Voltage per phase and average
Active power Per phase and total
Reactive power Per phase and total
Apparent power Per phase and total



Demand Readings
The power meter provides the following demand readings.
 
Characteristics Description
Current Per phase and average
Active, reactive, apparent power Per phase and Total
Peak Demand Values  
Current Per phase and average
Active, reactive, apparent power Per phase and Total
Demand Calculation Methods
Power demand is the energy accumulated during a specified period divided by the length of the period. Current demand is calculated using arithmetical integration of the current RMS values during a time period, divided by the length of the period. How the power meter performs this calculation depends on the selected method. To be compatible with electric utility billing practices, the power meter provides block interval power/current demand calculations.
For block interval demand calculations, you select a block of time (interval) that the power meter uses for the demand calculation and the mode the meter uses to handle he interval. 2 different modes are possible:
• Fixed block - Select an interval from 1 to 60 minutes (in 1 minute increments). The
 power meter calculates and updates the demand at the end of each interval.
• Sliding block - Select an interval from 1 to 60 minutes (in 1 minute increments). For demand intervals less than 15                minutes, the value is updated every 15 seconds. For demand intervals of 15 minutes and greater, the demand value is updated every 60 seconds. The power meter displays the demand value for the last completed interval.


The following figures illustrate the 2 ways to calculate demand power using the block
method. For illustration purposes, the interval is set to 15 minutes.

Peak Demand
In nonvolatile memory, the power meter maintains a maximum operating demand value called peak demand. The peak is the highest value (absolute value) for each of these readings since the last reset.
You can reset peak demand values from the power meter display. You should reset peak demand after changes to basic power meter setup such as power system configuration.
Energy Readings
The power meter calculates and stores Per phase and total energy values for active,reactive, and apparent energy.
You can view energy values from the display. The resolution of the energy value automatically changes from kWh to MWh to GWh (kVAh to MVARh to GWh).
The energy values automatically resets to 0 when it reaches the limit of 999.9GWh,
999.9GVAh, or 999.9GVARh.
The following table lists the energy readings from the power meter:
Characteristics Description
Energy values 
Active energy0 to 999.9GWh
Auto reset to 0 in case of over limit
Reactive energy0 to 999.9GVARh
Auto reset to 0 in case of over limit
Apparent energy0 to 999.9GVAh
Auto reset to 0 in case of over limit

Power Quality Analysis Values
The power quality analysis values use the following abbreviations:

• Fundamental phase current rms: I1
• Fundamental phase voltage rms: V1
• RMS of up to three harmonics of phase current:
 Ix, Iy, Iz, x, y, z = 2, 3,…, N
• RMS of up to three harmonics of phase voltage:
 Vx, Vy, Vz, x, y, z = 2, 3,…, N
•Total harmonic distortion of the phase current

• Total harmonic distortion of the phase voltage

• Harmonic distortion of up to three harmonics on the phase
current

• Harmonic distortion of up to three harmonics on the phase
voltage:

THD provides a measure of the total distortion present in a waveform. THD is the ratio of harmonic content to the fundamental and provides a general indication of the quality of a waveform. THD is calculated for both voltage and current.
The following table lists the power quality values of the power meter:


 
Characteristics Description
THDTotal,2,3,4,5,,,,,51(51 times) Per phase current (percentage value)
X,Y,Z,A,B(5 times each time) Per phase current(rms value)
Total,2,3,4,5,,,51(51 times)Per phase voltage(percentage value)
X,Y,Z,A,B(5 times each time)Per phase voltage(rms value)
 


Data Record
The power meter records data to SD card, the following table lists data record of the power meter.
Record
Record interval1s to 9999s(default 1min)
Record formatcsv
Record capacity16GB Memory
Store about 2.5K Bytes data each time
record 12 years (1min interval)
Record data"Current Harmonic"fileITHD(%),IHD2(%),IHD3(%),,,,,IHD51(%) (Each phase )
"Voltage Harmonic"fileUTHD(%),UHD2(%),UHD3(%),,,,,UHD51(%)(Each phase)
"DataSheet" fileVoltage(V);UTHD(%);Current(A);ITHD(%);
Frequency(Hz);Power Factor;
Current Demand(A);
Current Peak Demand(A)&Date;
(Each phase and Average)
Active Power(W) ;Reactive Power(Var);Apparent Power(Va)
Active Energy(Wh);Reactive Energy(Varh);Apparent Energy(Vah)
(Each phase and Summary)
Total Active Power Deamnd(W)
Total Active Power Peak Deamnd(W)&Date
Total Reactive Power Deamnd(Var)
Total Reactive Power Peak Deamnd(Var)&Date
Total Apparent Power Deamnd(Va)
Total Apparent Power Peak Deamnd(Va)&Date


Other Characteristics
The following table lists other characteristics of the power meter:
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 minutes
Environmental conditions
Operating temperature-25ºC to +55ºC
Storage temperature-40ºC to +85ºC
Humidity rating5 to 95% RH at 50ºC(non-condensing)
Pullution degree2
Overvoltage categoryIII,for distribution systems up to 277/480VAC
Dielectric withstandAs per IEC61010-1, Doubled insulated front panel display
Altitude3000m Max
IP degree of protectionIP20 conforming to IEC 60629
ColourWhite
Contractual warranty12months
EMC
Electrostatic dischargeLevel IV(IEC61000-4-2)
Immunity to radiated fieldsLevel III (IEC61000-4-3)
Immunity to fast transientsLevel IV (IEC61000-4-4)
Immunity to surgeLevel IV (IEC61000-4-5)
Conducted immunityLevel III (IEC61000-4-6)
Immunity to power frequency magnetic fields0.5mT (IEC61000-4-8)
Conducted and radiated emissionsClass 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


Specification
Measurement accuracy
Rated current (3 level selectable)600A(0.5% from 6A to 720A)  
3000A(0.5% from 10A to 3600A)  
6000A(0.5% from 20A to 7200A)  
Rogwoski coil connect setting600ATRC-36
3000ANRC-150 or Y-FCT-510
6000ANRC-200 or Y-FCT-800
ST08 current clamp 5A0.5% (100mA~5A) 1%(10mA~100mA)
10A0.5% (100mA~10A) 1%(10mA~100mA) 
CTs connect setting Primary setting: from 1A to 999999A
Secondary setting:from 0.001mV to 707mV
Voltage0.2% from 5 to 600V
Power factor±0.005
Active/Apparent Power IEC62053-22 Class 0.5
Reactive powerIEC62053-21 Class 2
Frequency0.01% from 45 to 65Hz
Active energy IEC62053-22 Class 0.5s
Reactive energyIEC62053-21 Class 2
Input-current characteristics
Primary current range600A      0.5A to 720A
3kA       0.5A to 3600A
6kA       0.5A to 7200A
Measurement input range 1/225mV-707mV
Permissible overload2V for 10s/hours
Power Supply
Power2*2900mAh PANASONIC lithium battery
Working time: 10 hours
Charging time: 8 hours
5V DC power supply(included adaptor)
power consumption
Screen Maximum Brightness2000mW
Screen Minimum Brightness1800mW
Wire diameter for terminals
Current inputBNC connector
Voltage inputBanana plug
DC power supplyDC 5.5*2.1 plug
 


MODBUS-TCP
 
Communication
Transmission modeRJ45 port
Communication protocolMODBUS TCP
Settings
IP addressConfigurable (default 192.168.1.5)
Port No.502


Port definition
 
Port numberPort namePort functionRemarks
1IAA-phase current input Current input
2IBB-phase current input
3ICC-phase current input
4InN-phase current input
5UNN-phase voltage inputVoltage input
6UCC-phase voltage input
7UBB-phase voltage input
8UAA-phase voltage input
9UEPE-N voltage input
10PowerPOWER 5V DCPower 5-9V DC
11USB portDownload log data Plug out(in) USB DISK
12RJ45 portMobus-TCP communicationCommunication

Accessories
Accessories
Voltage wires5pcs voltage clamp wires with banana plug (2 meters,1.5mm²)
Adaptor85-265 AC to 5V DC adaptor(default Europe plug)
RemarkRogowski coil not included
 
Safety and warning notes

In order to guarantee safe operation of the transducer and to be able to make proper use of all features and functions,please read these instructions thoroughly! Safe operation can only be guaranteed if the transducer is used for the purpose it has been designed for and within the limits of the technical specifications. Ensure you get up-to-date technical information that can be found in the latest associated datasheet under Rogowski website.









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