Place of Origin:
China
Brand Name:
Liocrebif
Certification:
GJB 9001C-2017
Model Number:
LKF-MSU203
Document:
MOQ: 1
Size: L(4.48) * W(3.86) * H(2.15) cm
Specification Number: LKF-MSU203
The LKF-MSU203 MEMS inertial measurement module is a high-reliability, cost-effective six-axis MEMS inertial measurement unit (IMU). It is widely applied in navigation, control and measurement fields represented by vehicles, ships and UAVs. The whole system adopts fully domestically manufactured electronic components. The built-in gyroscopes and accelerometers adopt state-of-the-art domestically produced MEMS inertial sensor technology. Customized hardware and software configurations are available for the LKF-MSU203 series inertial measurement modules to satisfy diverse user demands.
| Parameter | Technical Index |
| Gyroscope | |
| Measurement Range (°/s) | ±500 |
| Full-Temperature Bias (°/h, 3σ) | ≤30 |
| Bias Stability (°/h, 10s averaging window) | ≤2 |
| Bias Instability (°/h, Allan variance, typical) | ≤0.1 |
| Bias Repeatability (°/h) | ≤1 |
| Angular Random Walk (°/√h) | ≤0.1 |
| Scale Factor Nonlinearity (ppm) | ≤100 |
| Cross-Coupling Error (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥200 Hz |
| Accelerometer | |
| Measurement Range (g) | ±30 |
| Full-Temperature Bias (mg, 3σ) | ≤2 |
| Bias Stability (μg, 10s averaging window) | ≤50 |
| Bias Instability (μg, Allan variance, typical) | ≤30 |
| Bias Repeatability (μg) | ≤50 |
| Velocity Random Walk (m/s/√h) | ≤0.03 |
| Scale Factor Nonlinearity (ppm, ±1g input) | ≤100 |
| Cross-Coupling Error (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥200 Hz |
| Physical Characteristics | |
| Maximum Data Update Rate (Hz) | 2000 |
| Overall Dimension (mm×mm×mm) | 44.8×38.6×21.5 |
| Weight (g) | 52±5 |
| Operating Environment | |
| Operating Temperature (℃) | -40 ~ 80 |
| Storage Temperature (℃) | -55 ~ 85 |
| Vibration (g, RMS, 20~2000 Hz) | 6.06 |
| Shock (g, 1 ms half-sine pulse) | 500 |
| Pin No. | Definition | Remarks |
|---|---|---|
| 8 | POWER_IN | Power supply range: 5 V ~ 12 V (output ripple ≤ 100 mV) |
| 15 | GND | |
| 6 | RS232_TXD1 | RS232 communication interface |
| 5 | RS232_RXD1 | |
| 3 | GND | |
| 10 | RS422 R+ | M1: RS422 communication interface |
| 2 | RS422 R- | |
| 9 | RS422 T+ | |
| 1 | RS422 T- | |
| 14 | RS232_TXD2 | M2: RS232 communication interface, supports external GNSS module input for timestamp tagging |
| 7 | RS232_RXD2 | |
| 13 | GND | |
| 11 | PPS_IN | |
| 4 | TOV | General-purpose IO port, 3.3 V logic level, rising edge active |
| 12 | GND |
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