FG-98A/H single-axis fiber optic gyroscope
Zero bias stability ≤ 0.005/0.003°/h;Dimensions (mm): 98x98x33.5;Weight (g): 520+20
Data manual--FG-98A/H single-axis fiber optic gyroscope
| 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. |
◾ 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 (SAGNAC) 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
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FG-98A/H Single-Axis Fiber Optic Gyroscope with Zero Bias Stability ≤ 0.005/0.003°/h and Lightweight Design 520 20g Images
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