Product Overview
The Merak-H02(50S) is a fiber optic gyroscope attitude and heading reference system providing 0.1° RMS heading accuracy with dual-antenna GNSS and 0.1° RMS pitch and roll. Its 100×100×90 mm, 1.35 kg package runs from DC 24 V with ≤15 W consumption. Three RS-422 ports and a 100 M Ethernet port give flexible integration into UAV, vehicle and marine control systems.
Key Features
- Gyro bias repeatability of ≤0.1°/hr and accuracy of ≤0.2°/hr (10 s, 1σ)
- Heading accuracy ≤1.0°·secL+0.2°/h RMS pure inertial and ≤0.1° RMS RMS with dual-antenna GNSS
- Pitch & roll accuracy of ≤0.1° RMS RMS pure inertial and ≤0.03° RMS RMS with INS/GNSS fusion
- Angular rate ≥±400°/s, angular acceleration 100,000°/s² and any-orientation startup
- 3 × RS-422 full-duplex serial ports plus 1 × 100 M Ethernet port
- Dimensions 100×100×90 mm, weight ≤1.35 kg, MTBF ≥20,000 hours
Technical Specifications
| Parameter | Specification |
|---|---|
| Accelerometer bias repeatability (1σ, months) | ≤100 μg |
| Accelerometer scale factor accuracy (1σ, months) | ≤100 ppm |
| Gyro bias repeatability (1σ) | ≤0.1°/hr |
| Gyro scale factor accuracy (1σ) | ≤100 ppm |
| Gyro accuracy (10 s, 1σ) | ≤0.2°/hr |
| Angular random walk (1σ) | ≤0.03°/√hr |
| Angular rate | ≥ ±400°/s |
| Angular acceleration | 100,000°/s² |
| Acceleration | ≥ 25 g |
| Attitude | Any orientation |
| Startup time | 10 s |
| Alignment time | ≤ 10 min |
| Interfaces | 3 × RS-422 full-duplex, 1 × 100 M Ethernet |
| Heading accuracy (pure inertial) | ≤1.0°·secL+0.2°/h RMS |
| Heading accuracy (INS/GNSS, single antenna) | ≤0.3° RMS |
| Heading accuracy (INS/GNSS, dual antenna) | ≤0.1° RMS |
| Pitch & roll accuracy (pure inertial) | ≤0.1° RMS |
| Pitch & roll accuracy (INS/GNSS) | ≤0.03° RMS |
| Power consumption | ≤15 W |
| Dimensions (L×W×H) | 100×100×90 mm |
| Weight | ≤1.35 kg |
| Operating temperature | -40℃ – +60℃ |
| Shock | 15 g half-sine, 11 ms |
| Supply voltage | DC 24 V ±25% |
| Cooling | Conduction to mounting plate |
| Vibration | 20–2000 Hz, 6.06 g |
| MTBF | ≥ 20,000 hours |
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