QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 30 set per month |
| Delivery Time | 15 Days |
| Packaging Details | carton box |
| Connector | 2.5mm & 1.25mm adaptor,USB2,ST,FC,1.25/2.5um UPC and APC |
| model | KG3800 |
| Brand Name | THUNDSEA |
| Model Number | KG3800 |
| Certification | CCS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 30 set per month |
| Delivery Time | 15 Days | Packaging Details | carton box |
| Connector | 2.5mm & 1.25mm adaptor,USB2,ST,FC,1.25/2.5um UPC and APC | model | KG3800 |
| Brand Name | THUNDSEA | Model Number | KG3800 |
| Certification | CCS | Place of Origin | China |
| High Light | 2.5mm Single Axis arti gyroscope ，2.5mm magnetic gyroscope ，2.5mm mechanical gyroscope | ||
Model KG3800 High Accury Single-axis Fiber Optic Gyroscope With 0.5 °/hr Bias Drift
1.Product introduction
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 size
For every three gyro in gyro mounting holes for 4-4.2 (mm), the other two gyro Ф mounting holes for 4 - the M4 (mm),
and inlaid steel wire sets
1.4 Weight
235g±10g
1.5 Performance parameters
| Index name | Index requirements | Remarks |
| Range of measured angular rate(°/s) | ±800 | |
| Scale Factor Non-linearity at fixed temperature (ppm) | ≤300 | |
| Asymmetry of Scaling Factor at Room Temperature (ppm) | ≤300 | |
| Scale Factor Repeatability at fixed temperature (ppm) | ≤300 | |
| Scale Factor Repeatability at full temperature range from －40℃ till 60℃ (ppm) | ≤300 | |
| Bias Drift at fixed temperature (10s,1σ,°/h) | ≤0.50 | |
| Bias Drift Repeatability at fixed temperature (1σ,°/h) | ≤0.50 | |
| Bias Drift Repeatability at full temperature range from －40℃ till 60℃ (1σ,°/h) | ≤0.50 | Fixed-point constant temperature test |
| Bias Drift at full temperature range from 40 till 60 (100s,1σ,°/h) | ≤0.1 | Off line compensation |
| Random Walk (°/√h) | ≤0.125 | |
| Warm up time (min) | ≤2 | |
| 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) | ≤0.3 | |
| Zero bias sensitivity (°/h/GS) | ＜0.5 | |
| Storage temperature | 15℃ ~35℃ | |
| Operating temperature | －40℃ ~70℃ |
1.6 Mechanical and electrical interfaces
1.6.1 Mechanical interface
The mounting surface of the product constitutes the fixed surface for external installation, and the mounting screw is M4.
1.6.2 Power requirements
| Voltage | ＋5V | －5V |
| Precision | ≤2% | ≤2% |
| Ripple(peak) | 20mV | 20mV |
| Maximum current of the gyro for a short time (＜3s) | 2A | 0.2A |
| Maximum gyro steady-state current (total temperature) | 0.6A | 0.2A |
1.6.3 Electrical connection interface
The gyro signal is connected to the system through a lead (0.15mm2, high temperature flame retardant wire, line length 200mm)
| Physical meaning | Colour |
| ＋5V | Red |
| GND | Black |
| －5V | White |
| The pulse | Yelloe |
| The negative pulse | Green |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter
Year Established:
2014
Total Annual:
4,800,000-5,200,000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Reorganized in 2017,Qingdao Thundsea Marine Technology Co., Ltd. has a professional team comes from CSIC XX institute. It is a collection of aviation and ship inertial navigation and navigation system development, ship communication navigation equipment, marine surveying, ocean engineering, waterway... Reorganized in 2017,Qingdao Thundsea Marine Technology Co., Ltd. has a professional team comes from CSIC XX institute. It is a collection of aviation and ship inertial navigation and navigation system development, ship communication navigation equipment, marine surveying, ocean engineering, waterway...
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