FG-120C-H single-axis fiber optic gyroscope
Zero bias stability ≤ 0.0015/0.001°/h;Dimensions (mm):
120x120x36;Weight (g): 890+20
FG-120C-H single-axis fiber optic gyroscope
Zero bias stability ≤ 0.0015/0.001°/h;Dimensions (mm):
120x120x36;Weight (g): 890+20
| 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 |
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
FG-120h/HC 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,
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.
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
◾Performance indicators
• Turn-on time (s) 3
• Dynamic range (°/s) ±500
• Zero position(°/h) ≤0.25
• Bias stability ① (°/h, 1σ) ≤0.005/0.003
• Bias stability ② (°/h, 1σ) ≤0.0015/0.001
• Bias stability ③ (°/h, 1σ) ≤0.01/0.005
• Bias repeatability (°/h, 1σ) ≤0.0015/0.001
• Bias magnetic sensitivity (°/h/Gs) ≤0.005
• Random walk (°/h 1/2) ≤0.0005/0.0003
• Scale factor nonlinearity (PPM) ≤2/1
• Scale factor asymmetry (PPM) ≤2/1
• Scale factor repeatability (PPM) ≤5/5
• Threshold (°/h) ≤0.005/0.003
• Resolution (°/h) ≤0.005/0.003
• 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㎜×31.5㎜
• Weight 870 ± 10 g / 880 ± 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
◾Remarks:
① 10s smoothing, mean square error;
② 100s smoothing, mean square error;
③ Within the temperature range of -45℃ ~ +70℃, 1℃/min temperature
change rate, 100s smoothing, mean square error;
