Place of Origin:
China
Brand Name:
Liocrebif
Certification:
GJB 9001C-2017
Model Number:
LKF-MSN300
Document:
The LKF-MSN300H MEMS inertial North Finder employs a strapdown north-finding scheme with integrated MEMS gyroscopes and accelerometers. This product continuously tracks and measures changes in well deviation angle, tool face, and azimuth angle, featuring continuous rotation attitude measurement capability.
Designed with a standalone structure, the LKF-MSN300H integrates high-performance MEMS gyroscopes and accelerometers. The vibration-damping design ensures accurate measurement of carrier angular and linear motion parameters even in harsh environments, providing users with a cost-effective and highly reliable solution.
| MEMS Gyroscope | |
| Range (°/s) | ±500 |
| Bias @ Full temp. (°/h, 3σ) | ≤1.5 |
| Bias Stability (°/h, 10s smoothing) | ≤0.5 |
| Bias Instability (°/h, allan, typ) | ≤0.1 |
| Bias Repeatability (°/h) | ≤0.15 |
| Angular Random Walk (°/√h) | ≤0.03 |
| Scale Factor Nonlinearity (ppm) | ≤100 |
| Cross-Coupling (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥50 |
| MEMS Accelerometer | |
| Range (g) | ±16 |
| Bias @ Full temp. (mg, 3σ) | ≤3 |
| Bias Stability (μg, 10s smoothing) | ≤100 |
| Bias Instability (μg, allan, typ) | ≤50 |
| Bias Repeatability (ug) | ≤100 |
| Velocity Random Walk (m/s/√h) | ≤0.04 |
| Scale Factor Nonlinearity (ppm, ±1g) | ≤300 |
| Cross-Coupling (rad) | ≤0.001 |
| Bandwidth (Hz) | ≥50 |
| Navigation Accuracy | |
| North Finding Accuracy (°, 1σ) | ≤2.5*secL (L for latitude) |
| Attitude Accuracy (°, 1σ) | ≤0.2 |
| Physical Characteristics | |
| Power Supply (V) | 5~12 (Ripple ≤100mV) |
| Steady-state power (W) | ≤2 |
| Startup Time (s) | ≤2 |
| Communication interface | 422 |
| Update Rate (Hz, max) | 200 |
| Dimensions (mm*mm) | Φ31.8 * 85 |
| Weight (g) | 145±10g |
| Operating Environment | |
| Operating Temp. (℃) | -40～+120 |
| Storage Temp. (℃) | -55～+85 |
| Vibration (g, RMS) | 6.06, 20~2000Hz |
| Shock (g) | 500g/1ms |
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