FG-98A/H single-axis fiber optic gyroscope
Zero bias stability ≤ 0.005/0.003°/h; Dimensions (mm): 98x98x33.5; Weight (g): 520+20
| 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
