The HTG-90 three-axis split type fiber optic gyroscope is an all solid state high-precision digital closed-loop fiber optic gyroscope based on the SAGNAC principle. It consists of an erbium-doped fiber light source, fiber coupler, photodetector, integrated optical phase modulator, fiber sensing ring, circuit, and structural body.
Specially designed for navigation grade inertial measurement systems. It has the characteristics of high reliability and flexible structure. Based on customer platform production, it is a highly customized product.
Specifications
| Environmental Specifications | |
| Operating Temperature | -45℃~+70℃ |
| Storage temperature | -50℃~+80℃ |
| Vibration | 6.06g(RMS), 20Hz-2000Hz |
| Impact | 30g，6ms-8ms |
| Mean time between failures | 8000h |
| Electrical Characteristics | |
| Power supply | +5V |
| Steady state power consumption | ≤4W |
| Steady state power consumption at full temperature | ≤8W |
| Start instantaneous current | ≤2A |
| External dimensions of circuit box
External dimensions of the header |
60mmx60mmx28mm
∅90mmx26mm |
| Weight | <1350g |
| Output | RS422 |
| Technical Specifications | |
| Startup time | 3s |
| Zero bias stability (10s smooth) | ≤0.01°/h |
| Zero bias repeatability | ≤0.003°/h |
| Random walk coefficient | ≤0.0005(°)/√h |
| Scale factor nonlinearity | ≤5ppm |
| Scale factor repeatability | ≤5ppm |
| Dynamic range | ±300°/s |
Applications
- Strapdown Inertial Navigation System
- Attitude sensor
- Fiber optic compass
- Positioning and orientation system
- Three Self Visualization Navigation System
Drawing
