Miniature Fiber Optic Gyroscopes (FOG Sensors) & IMUs for UAVs & Robotics
U121D FOG IMU Miniature & low-power FOG-based IMU
U121D FOG IMU

Miniature & low-power FOG-based IMU

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U121D FOG IMU

The U121D is a FOG-based inertial measurement unit (IMU) with a lightweight compact form factor and robust aluminium housing. Featuring three FOGs and three MEMS accelerometers, it consumes just 1.5W of power and includes a fully-integrated ADC board with RS422 serial communications.

The miniature non-ITAR IMU is ideal for a range of unmanned systems applications, including inertial navigation for UAVs, USVs and UUVs, and drone flight control.

Dimensions (mm) 63 x 56 x 40
Weight (grams) 160
Power (W) 1.5W
Input Range (°/s) 400
Bias RMS (°/h) 3
ARW (°/√h) 0.05
Bandwidth (Hz) 250
Data rate (kHz) 0.1 - 4
Baud rate (kBd) 115.2 – 1843.2
Vibration (g, RMS) 6
Shock Resistance (g) 350
Operating Temperature (°C) -40 - +70
Housing Al alloy