Overview
The TG40-SF is a fully solid-state digital closed-loop three-axis integrated fiber optic gyroscope based on the SAGNAC principle. It consists of an SLD light source, fiber optic coupler, photodetector, integrated optical phase modulator, fiber optic sensing loop, circuitry, and structural components. Its integrated design features small size, high reliability, and flexible structure, making it suitable for a wide range of applications and a top choice for medium-to-low precision three-axis fiber optic gyroscopes.
Features
● Single 5V power supply, low power consumption.
● Excellent performance across all temperatures.
● Excellent start-up performance; it reaches the nominal specifications immediately upon power-on, without the need for preheating.
● Excellent environmental adaptability and resistance to strong impact and vibration.
● Interference fringe recognition technology supports cold start across the full dynamic range.
● High reliability.
● No dead zones.
Physics/Electricals
● Dimensions: 67 mm x 71 mm x 47 mm
● Weight: 370 g ± 10 g
● Power supply: +5V
● Power consumption: Steady-state power consumption ≤ 4 W, full -temperature steady-state power consumption ≤ 8 W
● Instantaneous starting current: < 2 A
● Electrical type: RS422
Environmental adaptability
● Operating temperature: -45 ℃ ~ +70 ℃
● Storage temperature: -55 ℃ ~ +80 ℃
● Vibration: 6.06g (RMS), 20Hz~2000Hz
● Impact: 100 g, 6ms~8ms
Specifications
|
No. |
Items |
Parameter |
No. |
Item |
Parameter |
|
1 |
Startup time (s) |
3 |
9 |
Random walk (°/h 1/2 ) |
≤ 0.01 |
|
2 |
Dynamic range (°/s) |
±500 |
10 |
Scale factor nonlinearity (ppm) |
≤ 2 0 |
|
3 |
Zero position (°/h) |
≤ 1 |
11 |
Scale factor asymmetry (ppm) |
≤ 10 |
|
4 |
Zero-bias stability ① (°m, 1σ) |
≤ 0.1 |
12 |
Scale factor repeatability (ppm) |
≤ 20 |
|
5 |
Zero -bias stability② (°m, 1σ) |
≤ 0.05 |
13 |
Threshold (°h) |
≤0.1 |
|
6 |
Zero-bias stability ③ (°m, 1σ) |
≤ 0.3 |
14 |
Resolution (°m) |
≤0.1 |
|
7 |
Zero-bias repeatability (°/h, 1σ) |
≤ 0.1 |
15 |
bandwidth |
≥ 200 |
|
8 |
Zero bias magnetic susceptibility (°/h/ Gs ) |
≤0.1 |
|
|
|
|
Notes: ① 10s smoothing, standard deviation; ② 100s smoothing, standard deviation; ③ Temperature range of -45 ℃ to +70 ℃ , temperature change rate of 1 ℃ /min, smoothing over 100s, standard deviation |
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