Product Overview
The Merak-G98S is a navigation-grade integrated fiber optic gyroscope delivering 0.004°/hr accuracy (100 s, 1σ) and an exceptionally low angular random walk of 0.001°/√hr. Its Φ98 mm × 26 mm housing houses a large-area sensing coil for the ultimate bias performance of the IFOG family. Output rates up to 4000 Hz over RS-422 support demanding control-loop and stabilization tasks.
Key Features
- Navigation-grade accuracy of ≤0.004°/hr (100 s, 1σ)
- Ultra-low angular random walk of ≤0.001°/√hr
- Output update rate up to 4000 Hz over RS-422
- Dynamic range ≥±400°/s with ≥200 Hz bandwidth
- Φ98×26 mm package, ≤1200 g, ≤4.5 W power consumption
- MTBF ≥100,000 hours per MIL-HDBK-217-F
Technical Specifications
| Parameter | Specification |
|---|---|
| Dynamic range | ≥ ±400°/s |
| Bias in-run stability | ≤1°/hr |
| Accuracy (100 s, 1σ) | ≤0.004°/hr |
| ARW (angular random walk, 1σ) | ≤0.001°/√hr |
| Bandwidth | ≥ 200 Hz |
| Vibration screening | 20–2000 Hz, 6.06 g |
| Turn-on time | 10 s |
| Output interface | RS-422 |
| Output update rate | 500 Hz – 4000 Hz |
| Operating temperature | -40℃ – +70℃ |
| Storage temperature | -55℃ – +85℃ |
| Power supply / consumption | 5 V / ≤4.5 W |
| MTBF (MIL-HDBK-217-F) | ≥100,000 hr |
| Weight | ≤1200 g |
| Dimensions | Φ98 mm×26 mm |
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