MG3-1A MEMS Gyroscope Angular Velocity Sensor with 0.3°/h Bias
The MG3-1A MEMS Gyroscope delivers high-precision 3-axis angular rate measurements for UAVs, robotic platforms, and autonomous navigation systems. It integrates a complete solution including:
- 3-axis MEMS gyroscope
- Temperature sensor
- Signal processing board
- Structural frame
- Dedicated software
Features RS-422 output with full error compensation. Key specifications include ±400°/s range, zero-bias instability 0.3 °/h, random walk 0.15 °/√h, Fast start-up time, and 52g weight. Ideal for drone navigation, motion control, mapping instruments, and robotic stabilization. Fully compatible with Stim210, offering a drop-in solution for high-precision INS and attitude measurement applications.
Technical Specifications
Gyroscope Technical Index
| 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 |
Electrical Characteristics
| Parameter |
Unit |
MG3-1A |
| Voltage |
V |
+5±0.25 |
| Startup current |
mA |
＜400 |
| Steady-state power consumption |
W |
＜1.4 |
| Ripple |
mV |
100 |
Environmental Adaptability
| Parameter |
Unit |
MG3-1A |
| Operating temperature |
℃ |
-45~85 |
| Storage temperature |
℃ |
-55~105 |
Other Specifications
| Parameter |
Unit |
MG3-1A |
| Weight |
g |
52±5 |
| Start time |
s |
1 |
Overall Dimensions
