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| Categories | Fiber Optic Gyroscope |
|---|---|
| Brand Name: | THUNDSEA |
| Model Number: | F98HB |
| Certification: | CCS |
| Place of Origin: | Qingdao |
| MOQ: | one set |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 30 set per month |
| Delivery Time: | 15 Days |
| Packaging Details: | carton box |
| Range of measured angular rate (°/s): | ±400 |
| Scale Factor Non-Linearity at fixed temperature (ppm): | ≤20 |
| Asymmetry of Scaling Factor at Room Temperature (ppm): | ≤20 |
| Scale Factor Repeatability at fixed temperature (ppm): | ≤20 |
| Scale Factor Repeatability at full temperature range from －40℃ till 60℃ (pp: | ≤50 |
| Bias Drift at fixed temperature (10s,1σ,°/h): | ≤0.02 |
| Bias Drift Repeatability at fixed temperature (1σ,°/h): | ≤0.01 |
| Bias Drift Repeatability at full temperature range from －40℃ till 60℃ (1σ,: | ≤0.05 |
| Bias Drift at fulltemperature range from －40℃ till 60℃ (100s,1σ,°/h): | ≤0.04 |
| Random Walk (°/√h): | ≤0.003 |
| Random vibration (°/h): | 5.3 |
| Shock (°/h): | ≤0.1 |
| Resolving power: | ≤0.5 |
| Zero deviation change before and after vibration (°/h): | ≤0.10 |
| Zero bias sensitivity (°/h/GS): | ≤0.10 |
| Storagge temperature: | －55℃~70℃ |
| Operating temperature: | －40℃~70℃ |
| Company Info. |
| QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
1.1 Working Principle and Function
This product is an inertial angular rate sensor based on the
principle of Sagnac effect, which is used to measure the angular
rate movement of the carrier around the sensitive axis of this
sensor. This unit takes the fiber optic coil as the angular rate
sensitive unit and the closed-loop detection circuit as the basis.
Two beams from a laser are injected into the same fibre but in
opposite directions. Due to the Sagnac effect, the beam travelling
against the rotation experiences a slightly shorter path delay than
the other beam. The resulting differential phase shift is measured
through interferometry, thus translating one component of the
angular velocity into a shift of the interference pattern which is
measured photometrically.
Beam splitting optics launches light from a laser diode into two
waves propagating in the clockwise and anticlockwise directions
through a coil consisting of many turns of optical fibre. The
strength of the Sagnac effect is dependent on the effective area of
the closed optical path: this is not simply the geometric area of
the loop but is enhanced by the number of turns in the coil.
This product is an inertial sensor composed of optical system,
corresponding power supply and data processing circuit. It can
provide three-axis angle increment information.
1.2 Configuration
The product is mainly composed of the following components:
a) Optical part: light source, coupler, Y modulator, fiber coil,
detector;
b) Circuit part: processor board, light source board and
preamplifier;
c) Structural part: body, cover, etc.
1.3 Shape and Installation Dimensions
Outline size (98±0.1)mm × (98±0.1) mm × (35±0.5)mm,
Installation dimension (80±0.1) mm×(80±0.1) mm
1.4 Weight
540g±20g
1.5 Performance parameter
| Index name | Index requirement | Remarks |
Range of measured angular rate (°/s) | ±400 | |
Scale Factor Non-Linearity at fixed temperature (ppm) | ≤20 | |
Asymmetry of Scaling Factor at Room Temperature (ppm) | ≤20 | |
Scale Factor Repeatability at fixed temperature (ppm) | ≤20 | |
Scale Factor Repeatability at full temperature range from －40℃ till 60℃ (ppm) | ≤50 | |
Bias Drift at fixed temperature (10s,1σ,°/h) | ≤0.02 | |
Bias Drift Repeatability at fixed temperature (1σ,°/h) | ≤0.01 | |
Bias Drift Repeatability at full temperature range from －40℃ till 60℃ (1σ,°/h) | ≤0.05 | Fixed-point constant temperature test |
Bias Drift at fulltemperature range from －40℃ till 60℃ (100s,1σ,°/h) | ≤0.04 | Off line compensation |
Random Walk (°/√h) | ≤0.003 | |
Warm up time (min) | 0 | |
Random vibration (°/h) | 5.3 | |
Shock (°/h) | ≤0.1 | Zero deviation before and after impact |
| Resolving power | ≤0.5 | |
Zero deviation change before and after vibration (°/h) | ≤0.10 | |
Zero bias sensitivity (°/h/GS) | ≤0.10 | |
| Storagge temperature | －55℃~70℃ | |
| Operating temperature | －40℃~70℃ |
1.6 Mechanical and Electrical Interfaces
1.6.1 Mechanical Interface
The installation surface of the product constitutes a fixed surface for external installation, and the installation screw is M5.
1.6.2 Power Supply Requirements
| ＋5V | －5V | |
| Voltage | 4.75V~5.25V | －4.75V~5.25V |
| Ripple | 20mV | 20mV |
| Current | 1.5A | 0.6A |
1.6.3 Electrical Interface
F98HB uses J30-21TJ (LN6.480.025, L=300mm) -Q/Ln.J6-69A-2003 socket of Guihang Electrical Appliance to connect with the outside (J30-21ZK is used for the corresponding acquisition line)
| Pin number | The signal name | Instructions |
| 1,12,7,17 | The main board ＋5V | Gyro power supply |
| 6,16,13,14 | The main board ±5V ground wire | |
| 4,15 | The main board －5V | |
| 2 | NC | standby |
| 3,5 | NC | standby |
| 8,18 | T＋ | RS422 hair |
| 9,19 | T－ | |
| 10,20 | R＋ | RS422 receiver(differential synchronous signal) |
| 11,21 | R－ |
|
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