FG-98A/H single-axis fiber optic gyroscope
Zero bias stability ≤ 0.005/0.003°/h; Dimensions (mm): 98x98x33.5; Weight (g): 520+20g
| Indicators |
Model |
FG-98A/H |
| Performance indicators |
bias stability① (°/h, 1σ) |
0.015/0.01 |
| bias stability② (°/h, 1σ) |
0.005/0.003 |
| bias stability③ (°/h,full temperature, 1σ) |
0.01 |
| bias repeatability(°/h, 1σ) |
0.003 |
| random walk(°/h 1/2) |
0.001/0.0008 |
| scale factor nonlinearity (ppm) |
2/1 |
| scale factor asymmetry (ppm) |
2/1 |
| scale factor repeatability(ppm) |
5/5 |
| dynamic range(°/s) |
±500 |
|
Mechanical/
electrical interface
|
size(mm) |
98×98×33.5 |
| weight(g) |
510±10/525±10 |
| steady state power consumption at normal temperature(W) |
<2.5 |
| power supply(V) |
+5 |
| communication interface |
RS422 |
|
Remarks:
① Static test at room temperature, 10s smooth, 1σ;
② Static test at room temperature, smooth for 100s, 1σ;
③ The temperature change rate is 1℃/min, smooth for 100s, 1σ.
|
Data manual--FG-98A/H single-axis fiber optic gyroscope
◾ Product introduction
The FG - 98 a/H uniaxial optical fiber gyro is an optical, mechanical and electrical integration of the solid-state high precision and high precision in digital closed loop uniaxial optical fiber gyro, based on the sag principle, by the erbium-doped fiber optic light source, optical fiber coupler, photoelectric detector, integrated optical phase modulator, optical fiber sensing ring, circuit and structures.
It is iterated on the basis of FG-98 fiber optic gyroscope, inherited the classic design of FG-98 gyroscope, adopted higher production technological level, and improved performance comprehensively.It can be widely used in various navigation and guidance fields.
Classical navigation-class fiber optic gyroscopes.
◾ Product features
• Single 5V power supply
• Update rate up to 4000Hz
• Excellent full temperature performance
• Excellent start-up performance, the nominal index can be reached when the power is turned on, and no preheating is required
• Excellent environmental adaptability, strong impact and vibration resistance
• Interference fringe recognition technology, supporting full dynamic range cold start
• High reliability
• No dead zone
◾ Typical applications
• Positioning and orientation system
• Strapdown inertial navigation system
• Optical fiber compass
• Attitude indicator
• Inertial navigation system of a certain type of rotorcraft
| ◾Performance indicators |
| Turn-on time (s) |
3 |
| Dynamic range (°/s) |
±500 |
| Zero position (°/h) |
≤0.3 |
| Bias stability ① (°/h, 1σ) |
≤0.015/0.01 |
| Bias stability ② (°/h, 1σ) |
≤0.005/0.003 |
| Bias stability ③ (°/h, 1σ) |
≤0.015/0.01 |
| Bias repeatability (°/h, 1σ) |
≤0.005/0.003 |
| Bias magnetic sensitivity (°/h/Gs) |
≤0.015/0.01 |
| Random walk (°/ H 1/2) |
≤0.0008/0.0005 |
| Scale factor nonlinearity (PPM) |
≤2/1 |
| Scale factor asymmetry (PPM) |
≤2/1 |
| Scale factor repeatability (PPM) |
≤5/5 |
| Threshold (°/h) |
≤0.015/0.01 |
| Resolution (°/h) |
≤0.015/0.01 |
| Bandwidth (Hz) |
≥200 |
| ◾Physical/Electrical |
| Power supply |
+ 5 v |
| Steady-state power consumption |
≤2.5W |
| Steady-state power consumption at full temperature |
≤4W |
| Instantaneous power consumption at startup |
≤4W |
| Dimensions |
98㎜×98㎜×33.5㎜ |
| Weight |
510 + 10 g / 525 + 10 g |
| Electrical form |
RS422 |
| ◾ Environmental adaptability |
| Operating temperature |
-45℃ ± 70℃ |
| Storage temperature |
-55 ° C to -+80 ° C |
| Vibration |
6 .06g (RMS), 20HZ-2000Hz |
| Impact |
30g, 6ms-8ms |
| Average trouble-free time |
8000h |
Support and Services:
The Product Technical Support and Services for the Single-Axis Fiber Optic Gyroscope include:
- Installation guidance and support for integrating the gyroscope into existing systems.
- Troubleshooting assistance to identify and resolve any operational issues.
- Calibration services to ensure accurate performance of the gyroscope.
- Repair and maintenance services to keep the gyroscope functioning optimally.
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