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The LKF-MSU304 MEMS Inertial Measurement Unit is an ultra-high precision, high-reliability 6-axis MEMS Inertial Attitude and Heading Reference System, widely applicable in navigation, control and measurement fields for vehicles, ships, and UAVs.
This IMU series integrates high-performance MEMS gyroscopes and accelerometers within an independent structure, features system sealing design with internal vibration damping, and meets the requirements of high-precision, high-dynamic navigation applications in harsh environments.
| Parameter | MSU304 A | MSU304 B |
|---|---|---|
| MEMS Gyroscope | ||
| Range (°/s) | ±300 | ±300 |
| Bias @ Full temp. (°/h, 3σ) | ≤2 | ≤2 |
| Bias Stability(°/h, 10s Smoothing) | ≤0.15 | ≤0.3 |
| Bias Instability(°/h, allan, typ) | ≤0.03 | ≤0.03 |
| Bias Repeatability (°/h, 1σ) | ≤0.15 | ≤0.3 |
| Angle Random Walk (°/√h) | ≤0.005 | ≤0.02 |
| Scale Factor Nonlinearity (ppm) | ≤100 | ≤100 |
| Cross-Axis Coupling (rad) | ≤0.001 | ≤0.001 |
| Bandwidth (Hz) | ≥100 | ≥200 |
| MEMS Accelerometer | ||
| Range (g) | ±30 | ±30 |
| Bias @ Full temp. (mg) | ≤0.5 | ≤2 |
| Bias Stability(μg, 10s Smoothing) | ≤10 | ≤50 |
| Bias Instability(μg ,allan, typ) | ≤3 | ≤30 |
| Bias Repeatability (μg) | ≤10 | ≤50 |
| Velocity Random Walk (m/s/√h) | ≤0.01 | ≤0.03 |
| Scale Factor Nonlinearity (ppm, ±1g) | ≤100 | ≤100 |
| Cross-Axis Coupling (rad) | ≤0.001 | ≤0.001 |
| Bandwidth (Hz) | ≥200Hz | ≥200Hz |
| Electrical/Mechanical Interface | ||
| Power Supply (V) | 5~12 (Ripple ≤100mV) | |
| Steady-State Power(W) | ≤2 | |
| Startup Time (s) | ≤2 | |
| Communication Interface | RS-422 | |
| Update Rate (Hz, Max) | 2000 | |
| Dimensions (mm * mm *mm) | 70*70*30 | |
| Weight (g) | 220±10 | |
| Operating Environment | ||
| Operating Temperature (℃) | -50~+80(Or -50 startup, -55 operating) | |
| Storage Temperature (℃) | -55~85 | |
| Vibration (g,RMS) | 13 | |
| Shock (g) | 1000 | |
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