The HWT901B, also known as AHRS IMU sensor, is a sensor that measures 3-axis angle, angular velocity, acceleration, and magnetic field. It is used in applications that require high measurement accuracy.



Here are some key features and technical specifications of the HWT901B:

Features:

Accurate three-axis angle calculation algorithm

Robust MEMS design with high performance in harsh environments

Ground-breaking bias stability, low noise level, and good vibration robustness

WTMOTION patented zero-bias automatic detection calibration algorithm and R&D dynamic fusion algorithm for best data accuracy and stability

Technical Specifications:



Current: <40mA

Voltage: 3.3-5V (requires a power source of 3.3-5V)

Data output frequency: 0.2-200Hz

Baud Rate: 4800-961200 (adjustable)

Working Temperature: -40℃ ~ 85℃

Output Content: 3-axis Acceleration Angle Angular Velocity Magnetic Field Quaternion Air Pressure Height

Range: Acceleration (±16g), Gyroscope (±2000°/s), Magnet Field (±4900µT), Angle (X, Z-axis: ±180°, Y ±90°), Barometer (1 axis)

Resolution: Acceleration (0.005g), Gyroscope (0.61°/s), Magnet Field (16 bits)

Angle Accuracy(after calibrated): X, Y-axis: 0.05° (Static) , X, Y-axis: 0.1° (Dynamic)