Low Cost MEMS Inertial Measurement Unit

High Accuracy North-Seeking MEMS IMU

ER-MIMU-05 (0.02º/h) Features:
1. Measuring range 100º/s;
2. Bias instability (Allan variance)0.02º/h;
3. Light weight.

High Accuracy North-Seeking MEMS IMU

Low Cost MEMS Inertial Measurement Unit

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    Parameters of High Accuracy North-Seeking MEMS IMUApplication of High Accuracy North-Seeking MEMS IMUIntroduction of High Accuracy North-Seeking MEMS IMU

    High Accuracy North-Seeking MEMS IMU

    Inertial Measurement Unit, referred to as IMU, is a device to measure the attitude angle (or angular velocity) and acceleration of the three axis of the object. Gyroscope and accelerometer are the core devices of inertial navigation system (INS). With the built-in accelerometer sensor and gyroscope, the IMU can measure the linear acceleration and rotation angular velocity from three directions and can obtain the attitude, velocity and displacement information of the carrier through the resolving.
    ER-MIMU-05 uses MEMS accelerometer and gyroscope with high quality and reliability, RS422 and external communication, baud rate can be flexibly set between 230400~921600, through the communication protocol to set the user's required communication baud rate. With X, Y, Z three-axis precision gyro, X, Y, Z three-axis accelerometer with high resolution, can be output by RS422 X, Y, Z three axis of gyroscope and accelerometer's original hexadecimal complement data (including gyro hexadecimal complement the numerical temperature, angle, the accelerometer hexadecimal temperature, the acceleration hexadecimal complement number); It can also output float dimensionless values of the gyroscope and accelerometer processed by the underlying calculation.

    North seeking in logging tools/gyro tools
    Pointing, steering and guiding in advanced mining/drilling equipment
    Initial alignment in weapon/UAV launch systems
    Direction pointing and tracking in satellite antenna, target tracking system
    Guidance and navigation in navigation grade MEMS weapon system
    Orientating and positioning in railway train system
    Precision platform attitude measuring and controls
    Precision attitude, position measuring in navigation grade MEMS IMU/INS
    North finding and positioning in land surveying/land mobile mapping system
    Petroleum exploration
    Bridge, tall building, tower, dam monitoring
    Rock and soil monitoring


    Volume:38.6mm x 44.8mm x25.5mm ;
    6V power supply, low power consumption 2W;
    Light weight: ≤70g;
    Products include X, Y, Z three-axis MEMS gyro and X, Y, Z three-axis MEMS accelerometer;
    RS422 bus communication, baud rate from 230400~921600 can be set.


    Item Parameter Unit
    Gyro performance
    Range 100 deg/s
    Bandwidth (-3dB) 12 Hz
    Scale Factor at 25°C 80000 LSB/deg/s
    Scale Factor Repeatability (1σ) <50 ppm
    Scale Factor VS Temperature (1σ) 300 ppm
    Scale Factor Non-Linearity (1σ) <200 ppm
    Bias Instability <0.02 deg/hr
    Bias stability (10s 1σ) <0.1 deg/hr
    Angular Random Walk <0.005 °/√h
    Bias error over temperature (1σ) 3 deg/hr
    Bias temperature variations, calibrated (1σ) <0.3 deg/hr
    Bias Repeatability (1σ) <0.1 deg/hr
    Accelerometer performance
    Range 30 g
    Bandwidth 100 Hz
    Bias Stability (1s)(1σ) <30 ug
    Bias Repeatability 200-500 ug
    Bias Temp Coefficient <20 ug/℃
    Bias Temp Hysteresis <0.5 mg
    Factor Scale Non-linearity <500 ppm
    Factor Scale Repeatability <300 ppm
    Factor Scale Temp Coefficient 10 ppm/℃
    Class II Non-linearity Coefficient <100 ug/g2
    Factor Scale 400000-800000 μg/LSB
    System Performance
    Supply Voltage 6~12V
    Supply Consumption 2W
    Interface RS422
    Vibration 6.06g (10~2000Hz)
    Shock 5000g, 0.1ms
    Operate Temp -40℃~ + 80℃
    Storage Temp -55℃~ + 105℃
    Weight ≤70g
    Size 38.6mm x 44.8mm x25.5mm

    Application Techniques

    1.How is IMU used?

    2.What is the Difference Between IMU and AHRS?

    3.SHow Does an IMU Work?

    4.Application of IMU in the Field of Drones

    5.Choosing an IMU: FOG IMUs vs MEMS IMUs

    6.IMU working principle & Tactical grade IMU product recommendations

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