T75 Technical Specification
T75
Fiber Optic Strapdown Inertial

The T75 high-to-medium precision fiber optic strapdown inertial navigation system uses a 75-type three-axis fiber optic gyroscope and a high-precision quartz flexible accelerometer as the core inertial devices to achieve high-precision measurement of carrier motion. It can form a combined navigation system with a satellite positioning system (GNSS) or DVL and odometer, and transmit real-time navigation information such as speed, position, and attitude to the outside world through the communication port at a specified period.

  • Compact ,  Lightweight  &  High  Precision:  Optimized for easy installation and rapid deployment on carriers .

  • Versatile Navigation Modes: Supports Pure Inertial , GPS-aided , Odometer-aided , and DVL-aided underwater navigation for diverse scenarios .

  • Configurable Protocols: User-definable communication protocols and baud rates .

  • Robust Environmental Adaptability: Compatible with external damping mounts; withstands high-impact shocks and severe vibrations .

  • Rich Interfaces: Equipped with RS422 , RS232 , and more for seamless multi-device data exchange .

  • High  Reliability:  Engineered  for  stable ,  long-term operation .


Main Specifications

Indicator

 Prarameters

1

Azimuth self-alignment accuracy

≤0 .1°sec(Φ)(Φ is local latitude)

2

Horizontal Attitude Alignment Accuracy

≤0 .01 °

3

Azimuth accuracy

≤0 .2 °/h(pure inertial)

≤0 .1°(intergrated navigation)

4

Horizontal attitude accuracy

≤0 .1 °/h(pure inertial)

≤0 .02 °(intergrated navigation)

5

Position accuracy

≤10m (GNSS intergration)

≤0 .2%D(D is range )(DVL underater combination)

6

Velocity accuracy

≤0 .1 m/s(GNSS intergration)

Not lower than DVL velocity accuracy (DVL integration)

7

Inertial navigation accuracy

≤2 nmile/h (alignment time 5 minutes)

 


Physical Specifications

Index

Parameter

1

Dimensions

140mm*140mm*90mm

2

weight

less than 2.3kg

3

Power Supply

17 ~36V DC power supply, nominal power
supply voltage 28V

4

Power  Comsuption

Steady-state power consumption
less than 25W

5

Extemal Connector

J30JM-25ZKP

6

Operation Temperature

-40℃~+60℃

7

Storage Temperature

-55℃~+80℃

8

Vibration

6 .06g(RMS),20Hz ~2000Hz

9

Impact

30g,6 ms ~8 ms

 


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