T120 Technical Specification
T120
Fiber Optic Strapdown Inertial Navigation System

The T120 high-precision fiber optic strapdown inertial navigation system uses a 120-type three-axis fiber optic gyroscope and a high-precision quartz flexural accelerometer as its core inertial devices to achieve high-precision measurement of carrier motion. It can be combined with a satellite positioning system (GNSS) or DVL and odometer to form a combined navigation system, and transmit real-time navigation information such as speed, position and attitude to the outside world through the communication port at a specified period.

  • High Precision: Delivers superior navigation accuracy.

  • 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: Engineered to withstand high-impact shocks and severe vibrations.

  • Rich & Reliable Interfaces: Equipped with RS422, RS232, CAN, and Ethernet for seamless multi-device data exchange.

  • High Reliability: Ensures stable, long-term operation in critical applications.

Main Specifications

Indicator

Parameter

1

Azimuth Self-Alignment Accuracy

≤0 .03 °sec(Φ)(Φ is local latitude)

2

         Horizontal Attitude Alignment Accuracy

≤0 .006°(1 σ )

3

          Azimuth holding accuracy

0.006 °/h( 10min , 1 σ )


4

 Horizontal attitude maintenance accuracy  

0.004 °/h( 10min, 1 σ )


5

  Position accuracy          

Single point positioning:≤2m(50%CEP)  RTK:≤2cm+1ppm(50%CEP) ≤1nmile/2h(50%CEP)

6

Velocity accuracy

≤0 .02m/s( 1 σ ,),inertial/satellite combination     

≤0 .4nmile/h( 1 σ,pure inertial

7

   Inertial / ODO / DVL combined accuracy


8

Alignment Time

≤5 min

 


Physical Specifications

Index

Parameter

1

Dimensions

225mm*212mm*146mm

2

Weight

8.0kg

3

Power Supply

12~32V DC power supply,nominal power supply
voltage 24V

4

Power Consumption

Steady-state power consumption less
than 25W

5

Extenal Connector

J599/24FA35PLN 、J599/24FC35PLN、 J599/24FB35PLN

6

Operating 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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