Merak-98S Single-Axis Interferometric Fiber Optic Gyroscope | 500Hz–4000Hz Digital FOG Sensor
The Merak-98S Fiber Optic Gyroscope (FOG) is a high-bandwidth single-axis angular rate sensor using advanced Sagnac interferometry. This compact digital FOG provides real-time angular velocity output from 500 Hz to 4000 Hz and is available in space-efficient multi-axis configurations, making it ideal for defense and industrial applications with constrained environments.
Key Attributes:
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Configurable axis arrangements for flexible integration
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Mechanical simplicity with no moving parts
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Immediate power-on operation for mission readiness
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Efficient digital signal processing for accurate measurements
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Minimal maintenance requirements ensuring long-term reliability
| Series | FOG Series | |
| Type | Merak-98S | |
| Performance | Dynamic Range | ≥±400°/s |
| Bias in-run | ＜1°/h | |
| Accuracy(100sec) | 0.01°/h~0.003°/h | |
| ARW(Angular random walk) | ＜0.0015°/√hr,1σ | |
| Vibration screening | 20~500Hz,5.3g | |
| Bandwidth | ＞200Hz | |
| Electrical Interface | Turn on time | 30s |
| Output signal format | RS-422 | |
| Built in self-test | -- | |
| Output signal update rate | 500Hz~4000Hz | |
| Output signal baud rate | 115200bps~921600bps | |
| Operating temperature | - 40℃ ~ + 70℃ | |
| Storage temperature | - 55℃ ~ + 85℃ | |
| Physical Specifications | Power supply | 5V |
| Connector (9 pins) | J30JZ/XN9TJCAL01 | |
| Power consumption | ≤3w | |
| MTBF (per MIL-HDBK-217-F) | ＞150000hr | |
| Weight | ≤560g | |
| Dimensions | 98mm×98mm×35mm | |
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