TG40-SF Technical Specification
TG40-SF
typeThree-axis I ntegrated fiber optic gyroscope

The TG40-SF is a fully solid-state digital closed-loop three-axis integrated fiber optic gyroscope, based on the SAGNAC principle, and consists of an SLD light source, fiber optic coupler, photodetector, integrated optical phase modulator, fiber optic sensing loop, circuitry, and structural components.

Integrated design, featuring small size, high reliability, and flexible structure, with wide application fields, making it the first choice for medium- and low-precision three-axis fiber optic gyroscopes.


  • Single 5V Supply & Low Power: Simplified integration with minimal energy consumption.

  • Superior Full-Temperature Performance: Stable accuracy across extreme temperature ranges.

  • Instant Start-up: Achieves nominal specifications immediately upon power-up; no warm-up required.

  • Robust Environmental Adaptability: Withstands high-impact shocks and severe vibrations.

  • Interference Fringe Recognition: Supports full-dynamic-range cold starts.

  • High Reliability: Engineered for long-term mission-critical stability.

  • Zero Dead Zone: Ensures continuous, seamless measurement at low rates.

Main Specifications

Specifications

Parameter

1

Startup time (s)

3

2

Dynamic range (°/s)

±500

3

Zero position(°/h)

≤1

4

Zero bias stability ①(°/h,1σ)

≤ 0. 1

5

Zero bias stability ② (°/h ,1σ)

≤ 0.05

6

Zero bias stability  ③(°/h ,1σ)

≤ 0. 3

7

Zero bias repeatability(°/h ,1σ)

≤ 0.1

8

Zero bias magnetic sensitivity (°/h/Gs)

≤0.1

9

Random walk (°/h1 /2)

≤ 0.01

10

Scale factor nonlinearity (ppm)

≤20

11

Scale factor asymmetry (ppm)

≤10

12

Scale factor repeatability (ppm)

≤20

13

Threshold(°h)

≤0.1

14

Resolution(°m)

≤0.1

15

Bandwidth(Hz)

≥200

Note

Notes:     10s smoothing, standard deviation;     100s smoothing, standard deviation;    Within the temperature range of -45   to +70  , 1  /min temperature change rate, 100s smoothing, standard deviation

 


Physical Specifications

Index

Parameter

1

Dimension

67mm x71mm x 47mm

2

Weight

370g±10g

3

Power Supply

5V

4

Power Consumption

Steady-state power consumption
≤4W, fully steady-state power consumption ≤8W

5

Instantaneous starting current

<2A

6

Operating temperature

-45℃~+70℃

7

Storage temperature

-55℃-+80℃

8

Electrical type

RS422

9

Vibration

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

10

Impact

100g,6 ms ~8 ms

 


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