Product Overview
The Merak-G70SR1 is a high-accuracy integrated fiber optic gyroscope achieving 0.008°/hr accuracy (100 s, 1σ) and 0.003°/√hr angular random walk. Enclosed in a Φ69 mm × 23 mm, 720 g package, it provides the precision rotation sensing required for gyrocompassing, north-finding and high-grade strapdown navigation. The RS-422 interface with up to 2000 Hz output integrates readily into navigation computers.
Key Features
- Accuracy of ≤0.008°/hr (100 s, 1σ) for gyrocompassing and precision navigation
- Angular random walk of ≤0.003°/√hr and in-run bias of ≤1°/hr
- Dynamic range ≥±400°/s with ≥200 Hz bandwidth
- Compact Φ69×23 mm housing weighing ≤720 g
- RS-422 output, 500–2000 Hz update rate, 10 s turn-on time
- 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) | ≤0.008°/hr |
| ARW (angular random walk, 1σ) | ≤0.003°/√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 – 2000 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 | ≤720 g |
| Dimensions | Φ69 mm×23 mm |
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