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    5. Rotation Detection Sensors - High Accuracy Type and General-Purpose Type -
    AMR Sensors (Magnetic Sensors)

    AMR Sensors (Magnetic Sensors)Rotation Detection Sensors
    - High Accuracy Type and General-Purpose Type -

    Specialized for detecting rotations. Stable output characteristics can be gained, so this type of magnetic switch achieves high accuracy detection of rotational displacements. Using two switches enables the sensing of the rotational direction

    High Accuracy Type

    Series Lineup

    Features

    • A type that can detect the high-speed rotation of a magnet with a high degree of accuracy.
    • The sensor output ON / OFF duty cycle stabilizes at around 50% by setting the strength of the magnetic field at or above a certain level. Therefore, it is also possible to detect forward / reverse rotation.
    • We also offer an external intermittent drive type that is driven by applying a pulse voltage from an external source (for MRMS791B).
    • Possible to achieve ultra-low current consumption. The average current consumption is 1 µA when operated at 3 V and 500 Hz (for MRMS791B).

    Application examples

    • Gas meters, water meters
    • Other liquid and gas flow rate detection applications
    See more details about application

    General-Purpose Type

    Series Lineup

    Features

    • These products are general-purpose magnetic switches whose output turns ON / OFF when a magnetic field is applied to them
    • Combination with a magnet permits detection of the number of rotations of mechanical dials and similar

    Application examples

    • Mechanical dial rotation detection, etc.
    See more details about application

    Design Support

    AMR Simulation Tool Download

    Download a tool that enables you to easily simulate the relationship between the positions (the ON / OFF area) of the AMR sensor and the magnet.
    Evaluation board

    Here we will introduce breakout boards for checking the operations and characteristics of AMR sensors.
    Datasheet

    You can view technical documents about AMR sensors.
    Video Library

    See videos related to AMR sensors.
    Basics

    Learn about the basics of AMR sensors (magnetic sensors), including their general characteristics and advantages, how they differ from other types of sensors used, and more.
    Sensors FAQ

    Avoiding Counterfeit Products

    Inquiries

    Contact us below for purchasing or any questions or other inquiries about AMR sensors.

    1. Electronic Components
    2. Sensors
    3. AMR Sensors (Magnetic Sensors)
    1. HOME
    2. Electronic Components
    3. Sensors
    4. AMR Sensors (Magnetic Sensors)
    5. Rotation Detection Sensors - High Accuracy Type and General-Purpose Type -
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