High Precision Fiber Optic Gyroscope Single Axis Angular Rate Sensor SIF-98B
The product is an inertial angular velocity sensor based on the Sagnac effect for measuring the rotational angular velocity of the carrier along the sensitive axis. The digital closed-loop detection circuit is used to extract the optical path difference of the counterclockwise propagating light caused by the external physical angular speed of the optical fiber coil. At the same time, the voltage signal of the optical path difference signal is converted to modulation and demodulate the signal, and the closed-loop feedback and control are realized to achieve the purpose of real-time angular velocity signal detection.
Main performance Parameters
|
order number |
test item |
unit |
technical requirement |
|
1 |
Dimension |
mm |
98×98×33.5 |
|
2 |
Turn-on time |
s |
3 |
|
3 |
Bias |
(°)/h |
≤0.5 |
|
4 |
Fixed temperature (constant temperature) bias stability (10s smoothing) |
(°)/h |
≤0.02 |
|
5 |
Variable temperature bias stability (1℃ / min variable temperature, 100s smoothing) |
(°)/h |
≤0.02 |
|
6 |
Bias repeatability |
(°)/h |
≤0.01 |
|
7 |
Biase magnetic sensitivity |
(°)/h /Gs |
≤0.005 |
|
8 |
Random walk coefficient |
(º)/h1/2 |
≤0.001 |
|
9 |
Scale factor nonlinearity |
ppm |
≤20 |
|
10 |
Scale-factor asymmetry |
ppm |
≤10 |
|
11 |
Scaling factor repeatability |
ppm |
≤10 |
|
12 |
Threshold |
(°)/h |
≤0.01 |
|
13 |
Resolution |
(°)/h |
≤0.01 |
|
14 |
Width |
Hz |
≥200 |
|
15 |
Operating temperature |
℃ |
-45～+70 |
|
16 |
Storage temperature |
℃ |
-55～+85 |
|
17 |
Dynamic range |
(°)/s |
±500 |
|
18 |
Supply voltage |
V |
+5 |
|
19 |
Steady state power consumption |
W |
≤2.5 |
|
20 |
Full temperature steady state power consumption |
W |
≤4 |
|
21 |
Instantaneous starting current |
A |
＜1.5 |
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