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High Accuracy Three Axis Fiber Optic Gyroscope with 0.5 °/hr Bias Drift and Compact Design
Key Attributes
Brand Name:
THUNDSEA
Model Number:
F3X50B
Place of Origin:
China
Certification:
CCS
Product Summary
High-accuracy three-axis fiber optic gyroscope with 0.5°/hr bias drift, ±500°/s range, and ≤0.1°/√h random walk. Compact design (Φ79.5mm), robust construction, and RS422 interface for precise inertial measurement in demanding applications.
Product Custom Attributes
Highlight
Three Axis optical gyroscope
,mechanical electronic gyroscope
,solid state digital gyroscope
Drawtube:
Binocular
Product Description
F3X50B Three-Axis Fiber Optic Gyroscope
High accuracy three-axis fiber optic gyroscope with 0.5°/hr bias drift for precision inertial measurement applications.
Working Principle
This inertial angular rate sensor operates on the Sagnac effect principle, measuring carrier angular rate movement around the sensor's sensitive axis. The system utilizes a fiber optic coil as the angular rate sensitive unit with closed-loop detection circuitry.
Two counter-propagating laser beams experience differential phase shifts due to rotation, which are measured through interferometry to translate angular velocity into measurable interference patterns. The Sagnac effect strength is enhanced by the number of turns in the optical fiber coil.
Product Configuration
- Optical Components: Light source, coupler, Y modulator, fiber coil, detector
- Circuit Components: Processor board, light source board, preamplifier
- Structural Components: Body, cover, and mounting hardware
Physical Specifications
Dimensions: Φ(79.5 ± 0.1) mm * (79.5 ± 0.1) mm * (49.8 ± 0.1) mm
Mounting Size: (73.0 ± 0.1) mm * (73.0 ± 0.1) mm
Weight: 500g ± 30g
Performance Specifications
| Parameter | Specification | Remarks |
|---|---|---|
| Range (°/s) | ±500 | |
| Scale Factor Non-linearity (ppm) | ≤50 | Fixed temperature |
| Scale Factor Repeatability (ppm) | ≤100 | Fixed temperature |
| Start-up Time (s) | ≤2 | |
| Standby Time (s) | ≤30 | |
| Bias Drift (10s,1σ,°/h) | ≤0.5 | Fixed temperature |
| Bias Drift Repeatability (1σ,°/h) | ≤0.5 | |
| Bias Drift (10s,1σ,°/h) | ≤1 | Full temperature |
| Random Walk (°/√h) | ≤0.1 | |
| Misalignment Angle of Input Shaft (′) | ≤20 | Full temperature range |
| Threshold (°/h) | ≤0.5 | |
| Resolution | ≤0.5 | |
| Bias Magnetic Sensitivity (°/h/GS) | ＜0.5 | |
| Bandwidth (Hz) | ≥200 | Design assurance |
| Output Delay Time (μs) | ≤1000 |
Electrical Specifications
Power Supply: +5V ±5%
Ripple (RMS): ≤50mV
Current: >3.00A (start-up), >1.00A (working)
Power Consumption: <5W (working at room temp), <8W (full temp), ≤10W (start-up)
Mechanical Interface
Four M3 screws on mounting side for secure installation.
Electrical Connection Interface
Model J30J-25ZKP3 Connector Pinout:
| Serial Number | Signal | Contact Number | Function |
|---|---|---|---|
| 1 | +5V | 1,2 | Gyroscope power supply |
| 2 | GND | 3,15 | Ground |
| 3 | TX+ | 10,22 | RS422 TX |
| 4 | TX- | 11,23 | RS422 TX |
| 5 | TR+ | 12,24 | RS422 RX |
| 6 | TR- | 13,25 | RS422 RX |
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