versatile function

  • AND Weighing Indicator AD-4401A

    Basic Weighing Indicator

    The AD-4401A has a compact body, high-end A/D converter and versatile functions, including batch-weighing control and check weighing.
    The AD-4401A is suitable for a wide range of applications, from hopper and packer scales to check-weighing scales.

    As a new feature the AD-4401A now is equipped with a High Performance Digital Filter (HPDF). In situations where vibration must be removed, it provides high accuracy as well as high-speed response.

    The AD-4401A is highly compatibility with the old AD-4401 model allowing for easy replacement of any old AD-4401 devices. Easily replaceable

    • The size, color and methods of operation and control panel installation of the AD-4401A remains the same as the AD-4401.
    • Interface connectors retain compatibility so even when updating from AD-4401 to AD-4401A previously connected devices can continue to be used without changing any connectors.
    • Functions have been added but the default settings remain identical to the AD-4401.


    • 13mm high characters for the main display and 7mm high characters for the sub display.
    • The front panel is structured to be waterproof (IP-65 compliant).

    Weighing Functions:

    • Pre-programmed with normal-batching and loss-in-weight sequences
    • Batch-time/Discharge-time monitoring, Supplementary flow function
    • Check-weighing mode (5 levels)

    External I/O:

    • Standard, Configurable Control I/O: Input 6, Output 8
    • Standard 20mA Current Loop (for use with A&D peripheral devices)
    • Optional Items
      RS-232C, RS-422/485, Parallel BCD Output, Analog Output (4-20mA)

    Digital Calibration Function
    Power Supply:

    • AC100 to 240V

    New Function:

    • HPDF (High Performance Digital Filter)
    • Modbus-RTU (required option RS-422/485)

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