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Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

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Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

Name: Model F98HB High Accury Singleaxis Fiber Optic Gyroscope With 002 hr Bias Drift
Brand: THUNDSEA
Price: 1 USD

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℃

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Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

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
Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

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－	RS422 hair
10,20	R＋	RS422 receiver(differential synchronous signal)
11,21	R－	RS422 receiver(differential synchronous signal)

Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

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Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

Model F98HB High Accury Single-axis Fiber Optic Gyroscope With 0.02 °/hr Bias Drift

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