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IMU200-BL Bluetooth IMU Sensor – 9-Axis AHRS for Motion Tracking with Bandwidth <100Hz
◆ APPLICATIONS
★ Medical rehabilitation equipment monitoring
★ Limb rehabilitation monitoring
★ Human body capture
★ Posture angle monitoring
◆ PRODUCT INTRODUCTION
The IMU200-BL is a compact, high-performance Bluetooth AHRS sensor designed for real-time attitude measurement and motion tracking. It integrates a three-axis gyroscope, accelerometer, and magnetic sensor with Kalman filtering and temperature compensation technology to provide stable nine-axis motion data. Featuring Bluetooth 5.1 wireless communication, up to 40-meter line-of-sight transmission, and BLE firmware updates, it is suitable for robotics, agricultural machinery, construction vehicles, forklifts, and human motion monitoring applications.
◆ KEY FEATURES
★ Lightweight
★ Low noise
★ 100Hz update rate
★ High price ratio
★ Bluetooth 5.1 wireless transmission
★ Wide temperature range
★ Kalman filtering algorithm
★ Supports VRU and AHRS
★ High performance drift stability
★ Long lifespan, strong stability
★ Excellent vibration performance
★ Compact and lightweight design
★ DC 4.5-5.5V power supply
★ Real time 3D dynamic measurement
★ Integrated nine axis sensor and temperature sensor
◆ PERFORMANCE PARAMETERS
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IMU200-BL
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Condition
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Parameter
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Measurement range
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-
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Roll ±180°, pitch ±90°, azimuth ±180° (initial value for Bluetooth disconnection and reconnection in VRU mode is 0 °, output as magnetic heading angle in AHRS mode)
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Measurement axis
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-
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X / Y / Z
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Static accuracy of roll and pitch1)
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@25℃
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±0.1°
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Dynamic accuracy of roll and pitch(RMS)
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@25℃
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±0.25°
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Magnetic heading accuracy(AHRS)
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@25℃
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±1.5°
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Gyroscope
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Gyroscope range
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Can be set
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±125°/s, ±250°/s, ±500°/s,
±1000°/s, ±2000°/s
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Zero bias stability (10s smooth)
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-
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10°/h
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Zero bias instability (Allan)
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5°/h
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Angle random walk coefficient (Allan)
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-
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0.25°/sqrt(h)
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Acceleration
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Acceleration range
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Can be set
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±2g, ±4g, ±8g, ±16g
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Zero bias stability (10s mean)
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-
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0.1mg
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Zero bias instability (Allan)
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-
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0.05mg
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Speed random walk coefficient (Allan)
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-
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0.005m/s/sqrt(h)
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Magnetometer
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Range of magnetometer
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-
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±8Gauss
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|
Resolution
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-
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<2.5mgauss
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|
Bandwidth
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-
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<100Hz
|
|
Zero temp coefficient2)
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-20~65℃
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±0.01°/℃
|
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Sensitivity temp coefficient3)
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-20~65℃
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≤100ppm/℃
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Power on start-up time
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≤3.5S
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Response time
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0.01S
|
|
Electromagnetic compatibility
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According to EN61000 and GBT17626
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|
Reception sensitivity
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-96dBm
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|
Transmit power
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8dBm
|
|
Bluetooth transmission distance
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40m (in an open and unobstructed state)
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Usage time (battery fully charged)
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Continuous operation for 6 hours,
standby time for 83 days
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Insulation resistance
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≥100 megaohm
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Impact-resistant
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100g@11ms Triaxial (half sine wave)
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Anti-vibration
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10grms / 10~1000Hz
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Shell material
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ABS plastic shell
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Weight
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≤20g
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|
1) Accuracy: Refers to the root mean square difference between the measured value and the actual angle error obtained by measuring the angle multiple times (>16 times) at room temperature.
2) Zero temperature coefficient: refers to the rate of change in the displayed value of a sensor relative to normal temperature within its rated operating temperature range when it is in a zero state.
3) Sensitivity temperature coefficient: refers to the percentage of full-scale indication of a sensor relative to full-scale indication at room temperature within its rated operating temperature range, and the rate of change with temperature.
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◆ ELECTRICAL PARAMETERS
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PARAMETER
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CONDITION
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MIN
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TYP
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MAX
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UNIT
|
|
Charging voltage
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standard
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4.5V
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5V
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5.5
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V
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charging current
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|
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0.1
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A
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Charging Temp
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0~+55℃ (Note: Charging temperatures that are too high or too low can damage the battery)
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|
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charging port
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Type-C interface
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|
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Charging time
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2.5 hours(25℃)
|
|
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operating current
|
|
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18
|
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mA
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Shutdown and sleep current
|
|
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50
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|
uA
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Operating Temp
|
|
-20
|
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+70
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℃
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Storage temp
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|
-20
|
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+70
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℃
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◆ MEASUREMENT DIRECTION
Please install the sensor according to the correct method. Incorrect installation can cause measurement errors, especially paying attention to the first "surface" and second "line":
1) The installation surface of the sensor and the measured surface must be tight, flat, and stable. If the installation surface is uneven, it can easily cause measurement angle errors in the sensor.
The axis of the sensor must be parallel to the axis of the object being measured, and the two axes should not form an angle as much as possible.
1. What is the IMU200-BL Bluetooth AHRS sensor used for?
The IMU200-BL is designed for real-time attitude measurement and motion tracking. It can be used in robotics, agricultural machinery, construction vehicles, forklifts, aircraft models, and human motion monitoring equipment.
2. What measurement data does the IMU200-BL provide?
The IMU200-BL provides attitude data, three-axis acceleration, three-axis angular velocity, and three-axis magnetic field data, offering nine-axis motion measurement information.
3. What wireless communication does the IMU200-BL support?
The sensor supports Bluetooth 5.1 wireless transmission using the BLE protocol, with an operating distance of up to 40 meters in an unobstructed line-of-sight environment.
4. What is the update rate of the IMU200-BL?
The IMU200-BL supports a 100Hz update rate, making it suitable for applications requiring real-time motion and attitude data.
5. Does the IMU200-BL support dynamic attitude measurement?
Yes. The sensor combines three-axis gyroscope, accelerometer, and magnetic sensor data with a Kalman filtering algorithm to measure attitude during motion.
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