QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
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1 Introduction
The fiber optic gyroscope, as a new type of all-solid-state optical gyroscope, adopts the 1310 scheme and has the advantages of fast start-up, wide measurement range and high reliability. F70HB single-axis medium-high precision fiber optic gyroscope instrument can be applied to the application requirements of medium-high precision inertial guidance system such as land positioning orientation, vehicle-mounted north finder, airborne heading, marine gyroscope compass, etc.
1.1 Application scope
This manual is only applicable to F70HB type products, including 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 fiber optic gyroscope instrument main performance indicators.
Table 1 Main performance indicators of the product
| 1310 | 1550 | ||
| zero stability °/hr(1σ,10s) | ≤0.02 | ≤0.02 | 2h continuous test, 10 ssmoothing results |
| zero stability °/hr(1σ,100s) | ≤0.01 | ≤0.01 | 2h continuous test, 100smoothing results |
| Stability time s | ＜10 | ＜10 | |
| zero drift repeatability °/hr(1σ) | ≤0.02 | ≤0.02 | Calculated results from 6 test data |
| full temp zero drift repeatability °/hr | ≤0.05 | ≤0.05 | |
| random walk coefficient ° | ≤0.005 | ≤0.005 | |
| scale factor non-linearity degree ppm | ≤10 | ≤10 | room temperature |
| scale factor repeatability ppm | ≤10 | ≤10 | room temperature |
| full temp scale factor repeatability ppm | ≤200 | ≤100 | -40℃～+60℃ |
| dynamic range | ±500°/s | ||
| Magnetic field sensitivity | ≤0.02°/hr/Gs | ||
| Operating temperature | -40℃～+70℃ | ||
| Storage temperature | -50℃～+70℃ | ||
| Vibration condition | 4.2g,20Hz～2000Hz | Sweeping frequency vibration without resonance | |