
Main Features
- Super High Performance Digital Fiber Optic Gyro
- Higher Accuracy, Lower Noise and Greater Efficiency
- Zero Bias Stability ≤ 0 .005 °/h (Normal Temperature)
- Zero Bias Stability at Full Temperature ≤0.02°/h
- Measuring Range: -300°/s~+300°/s
- Scale Factor Non-linearity ≤10ppm
- Bandwidth ≥200Hz
- Working Temperature: -40~+60ºC

Brief Introduction
FOG120H Super High Performance Digital Fiber Optic Gyroscope is one standard super high accuracy closed loop fiber optical gyro, which enjoys very high accuracy, and it also features short startup time, small size, light weight, wide bandwidth, low power consumption, competitive price and excellent magnetic shielding advantages.
FOG120H Fiber Optic Gyroscope adopts advanced integrated optics and closed-loop Digital Signal Processing (DSP), which has been widely used in attitude control, inertial navigation and integrated navigation, etc. FOG120H is the Right choice when selecting a precision solid-state gyroscope component for tactical grade applications.

Technical Specifications
Name | Value |
Measuring Range | -300°/s~+300°/s |
Zero Bias Stability | <=0.005°/h (2h continous test, 100s (1σ) smoothing result) |
Zero Bias Repeatability | <=0.010°/h (6 test data calculation (1σ) result) |
Zero Bias Stability at Full Temperature | <=0.02°/h (-40~+60°C, 100s (1σ) smoothing result) |
Zero Bias Repeatability at Full Temperature | <=0.02°/h (-40~+60°C, 100s (1σ) smoothing result) |
Scale Factor Non-linearity | <=10ppm, room temperature (1σ) |
Scale Factor Unsymmetry | <=10ppm, room temperature (1σ) |
Scale Factor Repeatability | <=10ppm, room temperature (1σ) |
Random Walk Coefficient | <=0.001°/√h |
Start Time | <=3minutes, the time from power-on output to reach accuracy |
Bandwidth | ≥200Hz |
Communication Mode | RS422 |
Working Temperature | -40~+60°C |
Storage Temperature | -55~+85°C |
Power Supply | ±5VDC±5% (maximum shock current close to 2A) |
Power Ripple | 20mV |
Power Consumption | <=3W (Room Temperture) |
Power Consumption | <=5W (Full Temperture -40~+60°C ) |
Physical Characteristics | |
Demension | 120mmÍ120mmÍ38mm |
Weight | 850±20g |
Installation Hole Distance | 94mmÍ94mm |
Mounting Screws | M6 |
Mounting Surface Accuracy | Flatness<=0.01mm |

Typical Applications
- motion sensing

- stabilization

- navigation
- precision pointing
- inertial navigation
Heart Service
