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Model F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias Drift

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Model F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias Drift

Brand Name : THUNDSEA

Model Number : F70M-M-C

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) : ≤100

Asymmetry of Scaling Factor at Room Temperature (ppm) : ≤100

Scale Factor Repeatability at fixed temperature (ppm) : ≤0.25

Scale Factor Repeatability at full temperature range from －40℃ till 60℃ (ppm) : ≤0.25

Bias Drift at fixed temperature (10s,1σ,°/h) : ≤0.25

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) : ≤0.25

Random Wail (°/√h) : ≤0.003

Warm up time (min) : ＜5

Random vibration (°/h) : ≤0.1

Shock (°/h) : ≤0.1

Resolving power : ≤0.5

Zero deviation change before and after vibration (°/h) : ＜0.2

Zero bias sensitivity (°/h/GS) : ≤0.5

Storage temperature : －50℃~70℃

Operating temperature : －40℃~60℃

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Model F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias Drift

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.

2. Main Performance and Technical Parameters

2.1 Main Performance

Index name Index requirements Remarks
Range of measured angular rate
(°/s)		 ±400
Scale Factor Non-linearity at
fixed temperature
(ppm)		 ≤100
Asymmetry of Scaling Factor at
Room Temperature
(ppm)		 ≤100
Scale Factor Repeatability at
fixed temperature
(ppm)		 ≤0.25

Scale Factor Repeatability at
full temperature range from －40℃ till 60℃

(ppm)

 ≤0.25
Bias Drift at fixed temperature
(10s,1σ,°/h)		 ≤0.25
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 Fixed-point constant
temperature test
Bias Drift at full temperature
range from －40℃ till 60℃
(100s,1σ,°/h)		 ≤0.25 Off line compensation
Random Wail
(°/√h)		 ≤0.003
Warm up time
(min)		 ＜5
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 vibration
Resolving power ≤0.5

Zero deviation change before and after
vibration

(°/h)

 ＜0.2
Zero bias sensitivity
(°/h/GS)		 ＜0.5
Storage temperature －50℃~70℃
Operating temperature －40℃~60℃


2.2 Power Supply Requirements

Input voltage:±5V；

Power precision:±5%；

Power Ripple:＜50mV；

Gyroscopic power consumption:≤ 6W.

2.3 Insulation Requirements

Measuring the insulation resistance between individual signals and shells with 100V Megohmeter at 20 C (room temperature) ≥20 MΩ

2.4 Structural Dimensions

Outline size:70mm×70mm×32mm,tolerance:±0.1mm；

Installation dimension:62 mm×62mm,tolerance:±0.1mm；

Flatness of Product Installation Surface:＜0.1mm

2.5 Weight

＜250g

Model F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias DriftModel F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias DriftModel F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias DriftModel F70M-M-C High Accury Single-axis Fiber Optic Gyroscope With 0.25 °/hr Bias Drift


Product Tags:

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0.25 °/hr 1 axis gyroscope

      
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