STG-70H three-axis split fiber optic gyroscope
High-precision gyroscope,Zero bias stability ≤ 0.03°/h;Dimensions (mm): 70x70x32;Weight (g): 280+10
Indicators | Model | STG-70H |
Performance indicators | bias stability① (°/h, 1σ) | 0.03 |
bias stability② (°/h, 1σ) | 0.01 | |
bias stability③ (°/h,1σ) | 0.08 | |
bias repeatability(°/h, 1σ) | 0.01 | |
random walk(°/h 1/2) | 0.002 | |
scale factor nonlinearity(ppm) | 10 | |
scale factor asymmetry(ppm) | 5 | |
scale factor repeatability (ppm) | 5 | |
dynamic range(°/s) | ±500 | |
Mechanical/ electrical interface | size(mm) | Circuit box: 60×60×28 Header:Ф70×23.3 |
weight(g) | <850g | |
steady state power consumption at normal temperature(W) | 4 | |
power supply(V) | +5 | |
communication interface | RS422 | |
remarks: ① Static test at room temperature, 10s smooth, 1σ; ② Static test at room temperature, smooth for 100s, 1σ; ③ The temperature change rate is 1℃/min, smooth for 100s, 1σ. |
STG-70H three-axis split fiber optic gyroscope
High-precision gyroscope,Zero bias stability ≤ 0.03°/h;Dimensions (mm): 70x70x32;Weight (g): 280+10
◾ Product introduction
STG-70H three-axis fiber optic gyroscope is a full solid-state high-precision digital closed-loop fiber optic gyroscope integrating optics, mechanics and electricity. Based on the principle of Sagnac, it is composed of erbium-doped fiber light source, fiber coupler, photodetector, integrated optical phase modulator, fiber sensing ring, circuit and structure.
Navigation level accuracy. It has the characteristics of high reliability and flexible structure. It is a highly customized product produced according to the customer's platform.
◾ Product features
• Single 5V power supply, extremely low power consumption
• Excellent all-temperature performance
• Excellent start-up performance, the nominal index can be reached when the power is turned on, and no preheating is required
• Excellent environmental adaptability, strong impact and vibration resistance
• Interference fringe recognition technology, supporting full dynamic range cold start
• High reliability
• No dead zone