FG-120C-H Single-Axis Fiber Optic Gyroscope 120x120x36mm with 0.0015°/h Bias Stability
Advanced single-axis fiber optic gyroscope delivering exceptional zero bias stability of ≤0.0015°/h with compact dimensions of 120×120×36mm and weight of 890±20g.
| Performance Parameter | FG-120C/H Model |
|---|---|
| Bias Stability (10s smoothing, 1σ) | 0.005/0.003°/h |
| Bias Stability (100s smoothing, 1σ) | 0.0015/0.001°/h |
| Bias Stability (full temperature, 1σ) | 0.01/0.005°/h |
| Bias Repeatability (1σ) | 0.0015/0.001°/h |
| Random Walk | 0.0003/0.0002°/h1/2 |
| Scale Factor Nonlinearity | 2/1 ppm |
| Scale Factor Asymmetry | 2/1 ppm |
| Scale Factor Repeatability | 5/5 ppm |
| Dynamic Range | ±500°/s |
| Dimensions | 120×120×36 mm |
| Weight | 870±10/880±10 g |
| Power Consumption | <2.5 W |
| Power Supply | +5 V |
| Communication Interface | RS422 |
The FG-120C-H single-axis fiber optic gyroscope is a solid-state high-precision digital closed-loop system based on the Sagnac principle. This optical-mechanical-electrical integrated device features erbium-doped fiber optic light source, optical fiber coupler, photoelectric detector, integrated optical phase modulator, fiber sensing ring, and supporting circuitry.
- Single 5V power supply operation
- Ultra-high precision with HC type meeting precision gyroscope standards
- Excellent full temperature performance stability
- Rapid startup - achieves nominal specifications immediately without preheating
- Superior environmental adaptability with strong impact and vibration resistance
- Interference fringe recognition technology supporting full dynamic range cold start
- Innovative low-profile design with height as low as 33mm
- High reliability with no dead zones
- Positioning and orientation systems
- High precision North Finder instruments
- Inertial measurement systems for all environmental conditions
- Navigation guidance and control systems
| Operating Temperature | -45℃ to +70℃ |
| Storage Temperature | -55℃ to +80℃ |
| Vibration Resistance | 6.06g (RMS), 20Hz-2000Hz |
| Impact Resistance | 30g, 6ms-8ms |
| Mean Time Between Failures | 8000 hours |
① Static test at room temperature, 10s smoothing, 1σ; ② Static test at room temperature, 100s smoothing, 1σ; ③ Temperature change rate of 1℃/min, 100s smoothing, 1σ.
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