LKF-MTG300 Tri-axis MEMS Gyroscope with High Reliability
The LKF-MTG300 MEMS three-axis gyro assembly is a high-reliability, cost-effective 3-axis MEMS gyro assembly, applicable to navigation and control fields of low-to-medium Earth orbit satellites. Assembly integrates high-performance MEMS gyroscopes inside an independent mechanical housing. The built-in gyroscopes adopt domestically manufactured MEMS inertial sensor technology reaching advanced industry level. All electronic components inside the system are 100% domestically sourced. The three-axis MEMS gyroscope senses the angular motion of the carrier. Full-temperature compensation for Bias, scale factor and non-orthogonality error is implemented inside the system, enabling sustained high measurement accuracy during long-term operation.
|
Parameter |
Technical Index |
|
Gyroscope |
|
|
Measurement Range (°/s) |
±100 |
|
Full-Temperature Bias (°/h) |
≤10 |
|
Bias Stability (°/h, 10s averaging window) |
≤0.2 |
|
Bias Stability (°/h, 100s averaging window) |
≤0.07 |
|
Bias Instability (°/h, Allan variance method, typical) |
≤0.05 |
|
Bias Repeatability (°/h) |
≤0.2 |
|
Angular Random Walk (°/√h) |
≤0.01 |
|
≤0.5 |
|
|
Scale Factor Nonlinearity (ppm) |
≤100 |
|
Bandwidth (Hz) |
≥12 |
|
Electrical & Mechanical Interfaces |
|
|
Supply Voltage (V) |
5~12 (ripple ≤100 mV) |
|
Power Consumption (W) |
≤1.5 |
|
Startup Time (s) |
≤2 |
|
Communication Interface |
1 channel RS-422 |
|
Data Update Rate |
Polling response output, max. 200 Hz |
|
Overall Dimension (mm×mm×mm) |
44.8×38.6×21.5 |
|
Weight (g) |
≤60 |
|
Operating Environment |
|
|
Operating Temperature (℃) |
-40 ~ 85 |
|
Storage Temperature (℃) |
-55 ~ 85 |
|
Vibration |
7.72 g (RMS) |
|
Shock |
500 g / 1 ms pulse |
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