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RS422 Gyroscope Guidance System Integrated Optic Gyroscope Medium High Precision Safe

Essential details

MOQ:1

Specification Number:LKF-FT70A

Introduction

The FT70A is an inertial angular velocity sensor based on the optical Sagnac effect, designed to measure the angular velocity of a carrier along the product's sensitive axis. The angular velocity sensing unit of this product is an optical fiber ring, which uses a digital closed-loop detection circuit to extract the path difference of light propagating clockwise and counterclockwise caused by external physical angular velocity. Simultaneously, the path difference signal is converted into a voltage signal for closed-loop feedback and control, achieving signal modulation and demodulation to achieve high-precision angular velocity signal detection.
The FT70A three-axis integrated fiber optic gyroscope primarily consists of an optical angular velocity sensitive unit and a signal detection unit, capable of providing gyroscope angular increment information and internal temperature information.
It is primarily applicable to medium to high-precision inertial navigation systems, positioning and orientation systems, servo stabilization systems, and other applications.
The three-axis fiber optic gyroscope provides attitude change information during ship navigation, assisting the autopilot system in heading adjustment and stability control. When used in conjunction with an inertial navigation system (INS), gyroscope data can provide reliable positioning and navigation information in the absence of GPS signals or when GPS signals are interfered with, ensuring safe ship navigation.

Table 1 Performance Parameters Of LKF-FT70A Three-Axis FOG

Indicators	Technical requirements		Unit
Start-up time	5		s
Zero bias stability at room temperature (10 s smoothing)	≤0.05	≤0.03	(°)/h
Zero bias stability under temperature change (1°C/min temperature change, 100 s smoothing)	≤0.03	≤0.03	(°)/h
Zero offset repeatability	≤0.015	≤0.015	(°)/h
Zero offset magnetic sensitivity	≤0.10	≤0.08	(°)/h/Gs
Random walk coefficient	≤0.002	≤0.001	(º)/h^1/2
Scale factor nonlinearity	≤10	≤10	ppm
Scale factor asymmetry	≤10	≤10	ppm
Scale factor repeatability	≤100	≤50	ppm
Threshold	≤0.01		(°)/h
Resolution	≤0.003		(°)/h
Bandwidth	≤10		Hz
Operating temperature	≤5		℃
Storage temperature	≤10		℃
Dynamic range	≤0.015		(°)/s
Supply voltage	≤0.015		V
Room temperature steady-state power consumption	≥200		W
Full temperature range steady-state power consumption	-45～+70		W
Startup transient current	-55～+85		A

Table 2 The Electrical Interface Of The Gyroscope Uses J30-15ZK Connector

No.	Defination	Notes
1	+5V	Power supply input
2	GND	Power supply ground
3	Retain	--
4	RXD+	Gyro differential select+
5	TXD+	Gyro RS422 output+
6	+5V	Power supply input
7	GND	Power supply ground
8	RXD-	Gyro differential select-
9	TXD-	Gyro RS422 output-

Main Features

Compact design
Solid state design
High reliability, ultra-long life
Fully digital RS-422 electrical interface output

Application

Optoelectronic pod
Flight control platform
Platform stabilization device
Surveying and tracking inertial navigation line detection
Platform stabilization device, mobile communications

Fig. 1 Dimensions of the external structure

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Categories	Fiber Optic Gyroscope
Brand Name:	Liocrebif
Model Number:	LKF-FT70A
Certification:	GJB 9001C-2017
Place of Origin:	China
MOQ:	1
Price:	5000-25000CHY
Payment Terms:	T/T
Supply Ability:	10000
Delivery Time:	2-4 weeks
Packaging Details:	Wooden box/Cardboard box/Container
Color&Classification:	LKF-FT70A
Module Type:	Gyroscope
Output format:	RS422
Brand:	Liocrebif
Application:	UAVs, electro-optical pods, track inertial guidance line detection, communication while in motion.
Electricity:	RS422
Original Place:	China