STG-90H Three-Axis Split Fiber Optic Gyroscope 0.003°/h Bias Stability 60×60×28mm Size
High-reliability navigation-grade inertial sensor with excellent environmental adaptability and strong impact/vibration resistance
| Performance Indicators | Model STG-90H |
|---|---|
| Bias Stability ① (°/h, 1σ) | 0.01 |
| Bias Stability ② (°/h, 1σ) | 0.003 |
| Bias Stability ③ (°/h, 1σ) | 0.01 |
| Bias Repeatability (°/h, 1σ) | 0.003 |
| Random Walk (°/h 1/2) | 0.0005 |
| Scale Factor Nonlinearity (ppm) | 10 |
| Scale Factor Asymmetry (ppm) | 2 |
| Scale Factor Repeatability (ppm) | 5 |
| Dynamic Range (°/s) | ±500 |
| Size (mm) | Circuit box: 60×60×28 Header: Ф90×26 |
| Weight | <1350g |
| Steady State Power Consumption (W) | 4 |
| Power Supply (V) | +5 |
| Communication Interface | RS422 |
STG-90 three-axis fiber optic gyroscope is a full solid-state high-precision digital closed-loop fiber optic gyroscope integrating optics, mechanics and electricity. Based on the Sagnac principle, it features erbium-doped fiber light source, fiber coupler, photodetector, integrated optical phase modulator, fiber sensing ring, and advanced circuit and structural design.
Designed for navigation-level precision inertial measurement systems, this product offers high reliability and flexible structural configuration. Each unit is highly customized according to customer platform requirements.
- Single 5V power supply with extremely low power consumption
- Excellent all-temperature performance from -45℃ to +70℃
- 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
- High reliability with 8000 hours mean time between failures
- No dead zone operation
- Strapdown inertial navigation systems
- Attitude indicators
- Fiber optic compasses
- Positioning and orientation systems
- "Three self" inertial navigation 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 |
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