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    DEM4A Series Single Phase Power Meter Featured Image
    • DEM4A Series Single Phase Power Meter
    • DEM4A Series Single Phase Power Meter

    DEM4A Series Single Phase Power Meter

    Short Description:

    The DEM4A Series Digital Power Meter works directly connected to a maximum load 100A AC circuit This meter will be applied the MID B&D Certified by SGS UK, proving both it’s accuracy and quality. This certification allows this model to be used for any sub-billing application


    Product Detail

    Technical Parameters

    Meter Series Details

    DEM4A Series Power Meter

    LCD Display layout

    Different values with different indicators

    DEM4A Series Power Meter (1)

    Description

    DEM4A Series Single Phase Power Meter
     DEM4A009

    DEM4A00B/10B

    A Impulse indication for active energy

    B Impulse indication for reactive energy

    C Far IR

    D Button for data checking

    E Button for data setting

    F SO1 output for active energy (default)

    G SO2 output for reactive energy (default)

    H LCD screen

    I Impulse indication for active energy

    J Impulse indication for reactive energy

    K Far IR

    L Button for data checking

    M Button for data setting

    N SO1 output for active energy (default)

    O SO2 output for reactive energy (default)

    P RS485 output

    Q LCD screen
    DEM4A20B30B

    DEM4A20B/30B

    A LCD screen

    B Impulse indication for active energy

    C Impulse indication for reactive energy

    D SO output

    E Optical port

    F External Signal input

    G Left Button for data checking

    H RS485 output

    I Right button for data checking and data setting

    Meter Dimensions

    DEM4A Series Power Meter (5)

    Wiring Connection

    DEM4A Series Power Meter (6)

    DEM4A009

    Note: 15 16:SO1 is SO output for kWh or Active/reactive forward kWh optional
    17 18:SO2 is SO output for kvarh or Active/reactive reverse kWh optional

    DEM4A00B/10B

    Note:
    15 16:SO1 is SO output for kWh or Active/reactive forward kWh optional
    17 18:SO2 is SO output for kvarh or Active/reactive reverse kWh optional
    19 20:RS485 output

    DEM4A Series Power Meter (7)
    DEM4A Series Power Meter (7)

    DEM4A20B/30B

    Note:
    15 16: SO is SO output for kWh
    17 18: for external signal input ,important notice :no high voltage input !
    19 20: RS485 output

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    • Content

    Parameters

    Standard

    EN50470-1/3

    Rated Voltage

    3*230(400)V

    Rated Current

    0,25-5(30)A,0,25-5(32)A,0,25-5(40)A,0,25-5(45)A,

    0,25-5(50)A,0,25-5(60)A, 0,5-10(80)A,0,5-10(100)A

    Impulse Constant

    1000imp/kWh(LED)

    1000imp/kvarh(LED)

    Frequency

    50Hz

    Accuracy Class

    B

    LCD Display

    LCD 6+2 = 999999.99kWh

    Working Temperature

    -40～70℃

    Storage Temperature

    -40~70℃

    Power Consumption

    <12VA  <1W

    Average Humidity

    ≤75% (Non Condensing)  

    Maximum Humidity

    ≤95%

    Start Current

    0.004Ib

    Case Protection

    IP51 indoor

    Type

    DEM4A009

    DEM4A00B

    DEM4A10B

    DEM4A20B

    DEM4A30B

    Software Version

    V301

    V301

    V301

    V301

    V301

    CRC

    708A

    5B61

    2B60

    5B61

    2B60

    Impulse Constant

    1000imp/kWh

    1000imp/kvarh

    1000imp/kWh

    1000imp/kvarh

    1000imp/kWh

    1000imp/kvarh

    1000imp/kWh

    1000imp/kvarh

    1000imp/kWh

    1000imp/kvarh

    Communication

    IR

    IR,RS485 Modbus/DLT645

    IR,RS485 Modbus/DLT645

    IR,RS485 Modbus/DLT645

    IR,RS485 Modbus/DLT645

    Baud rate

    N/A

    960019200

    38400115200

    960019200

    38400115200

    960019200

    38400115200

    960019200

    38400115200

    SO output

    		 SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000 SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000   SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constantDivisible by 96000   SO output for Active kWh with variable constantDivisible by 96000 SO output for Active kWh with variable constantDivisible by 96000
    SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000 SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000   SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optionalwith variable constant Divisible by 96000    Signal input port  Signal input port

    Pulse width

     Changeable pulse width according to current, the bigger the current the shorter the pulse width

    Backlight

    Blue

    Blue

    Blue

    Blue

    Blue

    Li-Battery

    N/A

    N/A

    YES

    N/A

    YES

    Multi-tariff

    N/A

    N/A

    YES

    N/A

    YES

    Measurement Mode

    1.total =forward

    2.Total=reverse

    3.Total =forward +reverse (default)

    4.Total=Forward-Reverse

    Button

    Touch button

    Touch button

    Touch button

    Touch button

    Touch button

     Button  function

    Left button:Page turning,

    Right button: Page turning,setting information display

    Default  setting

    1000imp/kWh

    1000imp/kvarh

    1000imp/kWh

    1000imp/kvarh

    9600/NONE /8/1

    1000imp/kWh

    1000imp/kvarh

    9600/NONE /8/1

    1000imp/kWh

    9600/NONE /8/1

    1000imp/kWh

    9600/NONE /8/1

    Measurement Mode setting

     Button

     RS485 or Button

    RS485 or Button

    RS485 or Button

    RS485 or Button
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