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WitMotion

WitMotion WTGAHRS3 Sensor

$130.00
Version

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Product Information


Application Scenarios

Humanoid Robots
Robotic Arms
Exoskeletons
Quadruped Robots
AGV Vehicles
ARU Robots

Technical Specifications

Parameter Value
Operating Temperature -40°C ~ +85°C
Storage Temperature -40°C ~ +100°C
Shock Resistance 20000g
Supply Voltage 5V ~ 36V (default 12V)
Operating Current (Active, 12V) 16.1mA (TTL) / 17.5mA (RS232)
Communication Interface UART, 4800~230400bps (default 9600)
Output Content Time, Accel, Gyro, Angle, Longitude/Latitude, Ground speed
Output Rate 0.2Hz ~ 200Hz (default 10Hz)
Startup Time 1000ms
Range (Accelerometer) ±16g
Resolution (Accelerometer) 0.0005 (g/LSB)
RMS Noise (Accelerometer, BW=100Hz) 0.75 ~ 1 mg‑rms
Static Zero Drift (Accelerometer, horizontal) ±80mg
Temp. Drift (Accelerometer) ±0.15 mg/°C
Bandwidth (Accelerometer) 5 ~ 256Hz
Range (Gyroscope) ±2000°/s
Resolution (Gyroscope) 0.061 (°/s)/LSB
RMS Noise (Gyroscope, BW=100Hz) 0.05°/s‑rms
Static Zero Drift (Gyroscope, horizontal) ±0.5 ~ 1°/s
Temp. Drift (Gyroscope) ±0.02% /°C
Bandwidth (Gyroscope) 5 ~ 256Hz
Range (Pitch/Roll) X: ±180°, Y: ±90°
Inclination Accuracy 0.2°
Resolution (horizontal) 0.0055°
Temp. Drift (Inclination) ±0.5 ~ 1°
Range (Yaw) Z: ±180°
Heading Accuracy (6‑axis, static) 0.5° (dynamic integration error possible)
Resolution (Yaw, horizontal) 0.0055°
GPS Signal Reception BDS/GPS/QZSS/GLONASS
TTFF Cold Start ≤ 32s
TTFF Hot Start ≤ 1s
TTFF Reacquisition ≤ 1s
Sensitivity – Tracking -162dBm
Sensitivity – Reacquisition -160dBm
Sensitivity – Cold Start -148dBm
Sensitivity – Hot Start -156dBm
Positioning Accuracy < 2.5m (CEP50)
Velocity Accuracy < 0.1m/s (1σ)
Update Rate 5Hz
Protocol NMEA0183
Max Altitude 18000m
Max Velocity 515m/s
Max Acceleration 4g