QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
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F98H type Medium and high precision fiber optic gyroscope
1 Introduction
Fiber optic gyroscope (FOG) as a new type of all-solid-state gyroscope, has the advantages of fast start-up, wide measuring range and high reliability. F98H single-axis FOG can be used in the application requirements of inertial navigation systems such as land-based positioning and orientation, vehicle-mounted north finder, airborne heading and marine compass.
1.1 Applicable Scope
This manual is only applicable to F98H type products, including performance specifications, technical conditions, external dimensions and installation and operation.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 index
| Type A | B type | Type C | Remarks | |
| Zero stability °/hr(1σ,10s) | ≤0.015 | ≤0.015 | ≤0.010 | |
| Zero stability °/hr(1σ,100s) | ≤0.0065 | ≤0.0055 | ≤0.0045 | |
| Stability time (s) | ＜10 | ＜10 | ＜10 | |
|
Room temp zero drift repeatability ° /hr(1σ) |
≤0.015 | ≤0.015 | ≤0.010 | |
|
Full temp zero drift repeatability (°/hr) |
≤0.05 | ≤0.05 | ≤0.030 | |
|
Random walk coefficient °/ |
≤0.002 | ≤0.001 | ≤0.001 | |
| Scale factor non-linearity ppm | ≤10 | ≤10 | ≤10 | |
|
Scale factor repeatability ppm |
≤20 | ≤10 | ≤10 | |
|
Full temp scale factor repeatability |
≤200 | ≤100 | ≤50 | |
| dynamic range | ±500°/s | |||
| Magnetic field sensitivity | ≤0.020°/hr/Gs | |||
| Operating temperature | -40℃～+65℃ | |||
| Storage temperature | -50℃～+70℃ | |||
| Vibration condition | 4.2g,20Hz～2000Hz | |||