High Accuracy MEMS IMU

High Accuracy MEMS IMU

ER-MIMU-M01A Features:
1. High accuracy;
2. Output in real-time.

High Accuracy MEMS IMU

High Accuracy MEMS IMU

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    High Accuracy MEMS IMU

    Introduction
    The MEMS can measure the angular rate information of pitch, roll and heading in real time and output it to the users.
    A MEMS IMU sensor, gyroscope and accelerometer composed of MEMS gyroscope, MEMS accelerometer and magnetometer constitute the core components of the inertial navigation system. Through the built-in accelerometer and gyroscope, the IMU can measure linear acceleration and rotational angular velocity in three directions, and obtain the attitude, velocity and displacement information of the carriers.
    IMU is mostly used in motion control equipment, such as vehicles and robots, and can also be used on occasions that require the use of attitude calculation for accurate displacement, such as inertial navigation equipment for submarines, aircraft, missiles and spacecraft. Compared with other navigation equipment, the inertial navigation system also has the important characteristics of comprehensive information, complete autonomy, strong concealment, real-time continuous information, free from time, geographical restrictions and human factors, which make it suitable for air, water, and underground work normally in the environment. 

    Specifications

    Gyroscype
    Measurement Range(°/s) X ±2880
    Y ±200
    Z ±200
    Zero-bias(°/s) X ≤0.05
    Y、Z ≤0.1
    Non-linearity(%FS) X ≤0.1
    Resolution(°/s) X ≤0.05
    Y、Z ≤0.01
    Bandwidth(-3dB)(Hz) X >50
    Y、Z >50
    Output noise(°/s√Hz) X ≤0.15
    Y、Z ≤0.01
    Zero-bias stability(°/s) X ≤0.05(1σ)
    Y、Z ≤0.01(1σ)
    Zero bias temperature drift(°/s) X ≤0.05
    Cross coupling(%FS) _ ≤1

     

    Accelerometer
    Measurement Range (g) X ±100
    Y ±10
    Z ±10
    Zero offset (g) X ≤0.3
    Y、Z ≤0.005
    Non-linearity(%FS) X ≤2
    ≤0.2
    Y、Z ≤0.2
    Resolution(mg,rms) X ≤150
    ≤1
    Y、Z ≤1
    Bandwidth(-3dB)(Hz) X >50
    Y、Z >50
    Output noise(mg√Hz) X <20
    <1
    Y、Z <1
    Zero-bias stability (g) X ≤60
    ≤1
    Y、Z ≤1
    Cross coupling(%FS) _ <1

     

    Magnetometer
    Measurement range(gauss) X、Y、Z 3
    Zero offset(gauss) X、Y、Z ≤0.4
    Non-linearity(%FS) X、Y、Z ≤1
    Bandwidth(-3dB)(Hz) X、Y、Z >500
    Output noise (mgauss/√Hz) X、Y、Z ≤1
    Zero bias tempearature drift (mgauss/℃) X、Y、Z ≤5
    Cross coupling(%FS) _ ≤1

     

    Interface features
    Interface type RS-422
    Data format 8 data bits, 1 start bit, 1stop bit, no parity
    Baud rate 460800bps
    Data updating rate ≥1000Hz
    Operating mode IMU active upload
    Synchronization pulse
    High level 3.3V±0.2V
    Low level 0V±0.2V
    Trigger mode Rising edge trigger
    Environmental characteristics
    Operating temperature -40℃~+70℃
    Storage temperature -45℃~+80℃
    Vibration (g) 10g,X/Y/Z three directions,each axis 5min
    Impact (g) 2000g, 0.5ms
    Electrical specifications
    Input voltage 12VDC, ripple<20mV
    Input current <100mA
    Physical characteristics
    Dimensions 55*55*29mm
    Weight <150g

    Interface definition

    Connector type: J63A-232-009-161-TH

    Wire lead NO. Signal definition Details
    1 VCC VCC
    2 GND GND
    3 Y RS422 send +
    4 Z RS422 send –
    5 A RS422 receive +
    6 B RS422 receive –
    7 SYNC Synchronous pulse reception

    Application Techniques

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