Navigation Grade MEMS Stim 210 Angular Rate Sensor for Navigation System
Navigation Grade MEMS Stim 210 Angular Rate Sensor for Navigation System The MG3-1A MEMS Gyroscope is a fully integrated 3-axis angular rate sensor designed for precision inertial navigation, UAV guidance, and robotic motion control . This system consists of a 3-axis MEMS gyroscope, temperature sensor, signal processing board, structural components, and dedicated software , delivering temperature-compensated, alignment-corrected, and linearity-corrected angular rate data
The MG3-1A MEMS Gyroscope is a fully integrated 3-axis angular rate sensor designed for precision inertial navigation, UAV guidance, and robotic motion control.
This system consists of a 3-axis MEMS gyroscope, temperature sensor, signal processing board, structural components, and dedicated software, delivering temperature-compensated, alignment-corrected, and linearity-corrected angular rate data through RS-422.
With a measuring range of ±400°/s, zero-bias instability of 0.3 °/h, random walk of 0.15 °/√h, and start-up time of 17 s, the MG3-1A is ideal for UAVs, autonomous survey platforms, mobile robotics, and precision navigation instruments.
As a Stim210 compatible replacement, it provides a compact (52 g), reliable, and high-precision solution for civilian and research INS applications.
| Parameter | Unit | Test Conditions | MG3-1A | MG3-1C | MG3-1E |
|---|---|---|---|---|---|
| Measuring range | °/s | ±400 | ±400 | ±300 | |
| Zero-bias instability | °/h | Allan variance | 0.3 | 0.1 | 0.2 |
| Zero bias stability | °/h | 10s smooth, RMS, Room temperature | 3 | 1 | 1 |
| Zero bias variation at full temperature | °/h | 10s smoothing, RMS, temperature change rate 1℃/min | 20 | 10 | 5 |
| Random walk | °/√h | Allan variance | 0.15 | 0.05 | 0.03 |
| Output noise | p-p | Peak (Half Peak, RMS * 3) | 0.3 | 0.25 | 0.2 |
| Zero-bias repeatability | °/h | Q = 6, Room temperature | 3 | 1 | 0.5 |
| Zero bias acceleration sensitivity | Test at ± 1 g | 2 | 2 | 2 | |
| Resolution | °/h | 2 | 1 | 1 | |
| Bandwidth | Hz | 250 | 250 | 400 | |
| Scale factor nonlinearity | ppm | Room temperature | 100 | ||
| Scale factor repeatability | ppm | Q = 3, Room temperature | 100 | ||
| Cross coupling | % | Room temperature | 0.1 |
| Parameter | Unit | MG3-1A |
|---|---|---|
| Voltage | V | +5±0.25 |
| Startup current | mA | ＜400 |
| Steady-state power consumption | W | ＜1.4 |
| Ripple | mV | 100 |
| Parameter | Unit | MG3-1A |
|---|---|---|
| Operating temperature | ℃ | -45~85 |
| Storage temperature | ℃ | -55~105 |
| Parameter | Unit | MG3-1A |
|---|---|---|
| Weight | g | 52±5 |
| Start time | s | 1 |
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