FG-120C High Precision Single-Axis Fiber Optic Gyroscope
| Indicators |
Model |
FG-120C/H |
| Performance indicators |
bias stability① (°/h, 1σ) |
0.005/0.003 |
| bias stability② (°/h, 1σ) |
0.0015/0.001 |
| bias stability③ (°/h,full temperature, 1σ) |
0.01/0.005 |
| bias repeatability(°/h, 1σ) |
0.0015/0.001 |
| random walk(°/h 1/2) |
0.0003/0.0002 |
| 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) |
120×120×36 |
| weight(g) |
870±10/880±10 |
| steady state power consumption at normal temperature(W) |
<2.5 |
| power supply(V) |
+5 |
| communication interface |
RS422 |
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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.
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◾ Product introduction
FG-120C/H uniaxial optical fiber gyro is an optical, mechanical and electrical integration of the solid-state high precision digital closed loop uniaxial optical fiber gyro has high precision, by the erbium-doped fiber optic light source, optical fiber coupler, photoelectric detector, integrated optical phase modulator, optical fiber sensing ring, circuit and structures.
On the basis of FG-120 fiber optic gyroscope, it has high stability, high reliability and higher performance index. It is the ideal choice of high precision angular rate sensor and can be widely used in navigation guidance and control field.
◾ Product features
• Single 5V power supply
• Ultra-high precision, HC type reaches the standard of precision gyroscope
• 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
• Innovative structural design, height as low as 33mm
• High reliability
• No dead zone
◾ Typical applications
• Positioning and orientation system
• High precision North Finder
• Inertial measurement system for all environments
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