QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
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1 Introduction
fiber optic gyroscope as a new type of all-solid-state gyroscope, has the advantages of fast start-up, wide measurement range and high reliability. Among them, F3X90-IMU type fiber optic gyroscope inertial group is designed for the needs of low and medium precision application background, using three-axis common technology, low cost and stable performance; the structure of the optical circuit, circuit integrated package, simple structure, easy installation, can be applied with small missiles, guided bombs in navigation guidance, attitude measurement and control systems.
1.1 Application Scope
This manual is only applicable to F3X90-IMU type products, and contains performance indicators, technical conditions, external dimensions and installation and use. Among them, the technical conditions include the environmental range, electrical performance, and physical characteristics of the product.
1.2 Main parameters
1.2.1 Main performance indicators of fiber optic gyroscope instrument.
Table 1 The main performance indicators of the product
| fiber optic gyroscope instrument main performance indicators | Main parameters | Main indicators | |
| H type | M type | ||
| Room temperature zero drift repeatability(period-by-period,day-by-day)( º/ h) | ≤0.1 | ≤0.2 | |
| ZERO stability at fixed temperature( º/ h) | ≤0.1 | ≤0.2 | |
| Room temperature scale factor repeatability ( ppm) | ≤20 | ≤50 | |
| Scale factor asymmetry at constant temperature (ppm) | ≤20 | ≤50 | |
| Scale factor non-linearity at constant temperature (ppm) | ≤30 | ≤50 | |
| Threshold (º/ h) | ≤0.2 º/ h | ||
| Angular rate range( º/s) | -500～+500 º/s | ||
| Bandwidth (Hz) | ≥200 | ||
| Dimensions (mm) | 90*90 | ||
| Weight (g) | 980±20 (with accelerometer) | ||
| Operating temperature (℃) | -45～+65 | ||