Shenzhen Fire Power Control Technology Co., LTD
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Composition and function
The micro gyroscope assembly is composed of three-axis gyroscope, temperature sensor, signal processing board, structure and necessary software, and is used for measuring two/three axis angular rates of a carrier, and outputting two/three angular rate data subjected to error compensation (including temperature compensation, installation misalignment angle compensation, nonlinear compensation and the like) through an RS-422 serial port according to an agreed communication protocol.
Main technical parameters
1.2.1 Technical index of gyroscope
|
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 |
||
1.2.2 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 |
1.2.3 Environmental adaptability
|
Parameter |
Unit |
MG3-1A |
|
Operating temperature |
℃ |
-45~85 |
|
Storage temperature |
℃ |
-55~105 |
1.2.4 Others
|
Parameter |
Unit |
MG3-1A |
|
Weight |
g |
52±5 |
|
Start time |
s |
1 |