Dubhe-90 Ring Laser Gyroscope 0.004°/h Bias Accuracy for INS Inertial Navigation Systems 151mm×126mm×57mm
High-precision Sagnac effect-based gyroscope with bias accuracy of 0.004°/h~0.002°/h, designed for demanding inertial navigation applications in spacecraft, aircraft, and marine vessels.
The Ring Laser Gyroscope (RLG) operates on the Sagnac effect principle, measuring angular increments by detecting phase differences of laser beams in a closed glass cavity. This advanced sensor features high integration, exceptional reliability, strong environmental adaptability, and stable performance, making it the preferred choice for high-precision inertial navigation systems worldwide.
- Monolithic optical/electronic packaging for easy installation
- Compact, lightweight design with controlled power consumption
- High reliability and exceptional shock/vibration resistance
- Wide dynamic response bandwidth with digital output
- Built-in self-test capability for system verification
| Parameter | Specification |
|---|---|
| Bias Stability (1σ) | 0.004°/h ~ 0.002°/h |
| Zero Bias Repeatability (1σ) | 0.002°/h ~ 0.001°/h |
| Angular Random Walk (1σ) | 0.0007°/√hr ~ 0.0004°/√hr |
| Scale Factor Error (1σ) | ≤ 2ppm |
| Dynamic Range | ≥ ±400°/s |
| Bandwidth | > 200Hz |
| Turn On Time | |
| Output Signal Format | TTL |
| Output Signal Update Rate | 1Hz |
| Output Signal Baud Rate | 115200 |
| Vibration Shock | 75g, half sine, 6ms |
| Operating Temperature | -40℃ ~ +70℃ |
| Storage Temperature | -55℃ ~ +85℃ |
| Power Supply | ±15V, ±5V |
| Connector | J30JM-37ZKP36 (25 pins) |
| Power Consumption | ≤ 3W |
| MTBF (MIL-HDBK-217-F) | > 10,000 hours |
| Weight | 2kg |
| Dimensions | 151mm × 126mm × 57mm |
Ideal for navigation and attitude reference systems in spacecraft, aircraft, satellites, vehicles, ships, and submersibles requiring high-precision inertial measurement capabilities.
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