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High Accuracy Single Axis Fiber Optic Gyroscope with 0.002 °/hr Bias Drift and ±300 °/s Angular Rate
Key Attributes
Brand Name:
THUNDSEA
Model Number:
F120HC
Place of Origin:
Qingdao
Certification:
CCS
Minimum Order Quantity:
one set
Supply Ability:
30 set per month
Delivery Time:
15 Days
Payment Terms:
L/C,T/T
Standard Packaging:
carton box
Product Summary
High-accuracy single-axis FOG with ultra-low 0.002°/hr bias drift, ±300°/s range, and exceptional stability across -40℃ to 65℃. Features minimal 0.0005°/√h random walk and robust vibration/shock resistance for precision inertial measurement.
Product Custom Attributes
Highlight
0.002 °/hr single axis gyroscope
,inertial arti gyroscope
,angular rate mechanical gyro
Range Of Measured Angular Rate (°/s):
±300
Scale Factor Non-linearity At Fixed Temperature (ppm):
≤10
Asymmetry Of Scaling Factor At Room Temperature (ppm):
≤1
Scale Factor Repeatability At Fixed Temperature (ppm):
≤5
Scale Factor Repeatability At Full Temperature Range From －40℃ Till 60℃ (ppm):
≤15
Bias Drift At Fixed Temperature (10s,1σ,°/h):
≤0.002
Bias Drift Repeatability At Fixed Temperature (1σ,°/h):
≤0.03
Bias Drift Repeatability At Full Temperature Range From －40℃ Till 60℃ (1σ,°/h):
≤0.05
Bias Drift At Full Temperature Range From －40℃ Till 60℃ (100s,1σ,°/h):
≤0.005
Random Walk (°/√h):
≤0.0005
Random Vibration (°/h):
≤0.1
Shock (°/h):
≤0.1
Resolving Power:
≤0.5
Zero Deviation Change Before And After Vibration (°/h):
≤0.01
Zero Bias Sensitivity (°/h/GS):
＜0.5
Storage Temperature:
－50℃ ~70℃
Operating Temperature:
－40℃ ~65℃
Product Description
F120HC High Accuracy Single-Axis Fiber Optic Gyroscope
Model F120HC High Accuracy Single-axis Fiber Optic Gyroscope with 0.002°/hr Bias Drift
Product Introduction
Working Principle and Function
This product is an inertial angular rate sensor based on the Sagnac effect principle, designed to measure angular rate movement of the carrier around the sensor's sensitive axis. The unit utilizes a fiber optic coil as the angular rate sensitive unit with closed-loop detection circuitry.
Two beams from a laser are injected into the same fiber in opposite directions. Due to the Sagnac effect, the beam traveling against rotation experiences a slightly shorter path delay. The resulting differential phase shift is measured through interferometry, translating angular velocity into measurable interference pattern shifts.
Beam splitting optics launch light from a laser diode into two waves propagating clockwise and anticlockwise through a multi-turn optical fiber coil. The Sagnac effect strength depends on the effective area of the closed optical path, enhanced by the number of coil turns.
This inertial sensor comprises optical systems, power supply, and data processing circuits, providing three-axis angle increment information.
Configuration
• Optical components: light source, coupler, Y modulator, fiber coil, detector
• Circuit components: processor board, light source board, preamplifier
• Structural components: body, cover, etc.
Dimensions and Installation
Outline size: (120 ± 0.1)mm * (120 ± 0.1)mm * (38 ± 0.5)mm
Installation dimensions: (94 ± 0.1mm) * (94 ± 0.1mm)
Weight
≤ 900g
Performance Parameters
| Index Name | Index Requirements | Remarks |
|---|---|---|
| Range of measured angular rate (°/s) | ±300 | |
| Scale Factor Non-linearity at fixed temperature (ppm) | ≤10 | |
| Asymmetry of Scaling Factor at Room Temperature (ppm) | ≤1 | |
| Scale Factor Repeatability at fixed temperature (ppm) | ≤5 | |
| Scale Factor Repeatability at full temperature range from -40℃ to 60℃ (ppm) | ≤15 | |
| Bias Drift at fixed temperature (10s,1σ,°/h) | ≤0.002 | |
| Bias Drift Repeatability at fixed temperature (1σ,°/h) | ≤0.03 | |
| Bias Drift Repeatability at full temperature range from -40℃ to 60℃ (1σ,°/h) | ≤0.05 | Fixed-point constant temperature test |
| Bias Drift at full temperature range from -40℃ to 60℃ (100s,1σ,°/h) | ≤0.005 | Off line compensation |
| Random Walk (°/√h) | ≤0.0005 | |
| Warm up time (min) | 0 | |
| Random vibration (°/h) | ≤0.1 | The difference between the mean of zero deviation before and after vibration |
| Shock (°/h) | ≤0.1 | Zero deviation before and after impact |
| Resolving power | ≤0.5 | |
| Zero deviation change before and after vibration (°/h) | ≤0.01 | |
| Zero bias sensitivity (°/h/GS) | ＜0.5 | |
| Storage temperature | -50℃ ~70℃ | |
| Operating temperature | -40℃ ~65℃ |
Mechanical and Electrical Interfaces
Mechanical Interface
The mounting surface serves as the fixed surface for external installation using M6 mounting screws.
Power Requirements
External power supply provided through two channels:
• + (5V ± 0.25V), Output power > 7W
• - (5V ± 0.25V), Output power > 4W
External power ripple: < 20mV
Electrical Connection Interface
| ZJA12-01t Socket Pin Number | Physical Meaning | Note |
|---|---|---|
| 1 | +5V | |
| 2 | GDN | |
| 3 | -5V | |
| 9 | R + | |
| 10 | R - | |
| 11 | T + | |
| 12 | T - |
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