0.1deg Precise North Seeker Accelerometer Range 2g 50Hz Bandwidth

precise north seeker, 0.1deg azimuth accuracy sensor

Environmental requirements

1) Working temperature: -40℃～+65℃;

2) Storage temperature: -45℃～+70℃.

3) Sand and dust: Under the sand and dust conditions specified in Article 2 of GJB150.12, the following conditions shall not occur in the fiber optic gyroscope north finder:

a. The organization is too tight, stuck or malfunctioning;

b. Electrical components are short-circuited or cannot work normally;

c. The internal mechanical parts are dusty.

4) Salt fog

The fiber optic gyroscope north finder should meet the salt spray conditions of GJB150.11.

5) Humid and hot environmental conditions

Relative humidity: 95%; temperature: 30±2C; storage time 72 hours.

The insulation resistance should not be less than 2 MΩ, the metal surface should not be corroded, and the coating should not be blistered or peeled off, and it can work normally.

6) Vibration environment

Sinusoidal scanning vibration environment requirements

Frequency range: 5Hz~5.5Hz, vibration displacement (double amplitude) 25.4mm

Frequency range: 5.5Hz~200Hz, vibration acceleration 1.5g;

Scan time: 12min;

Vibration direction: 3 axes (X axis, Y axis, Z axis);

Each axis: 2h;

7) Impact environmental conditions

Impact waveform: half-sine pulse

Peak acceleration: 20g, pulse width 11ms,

Number of impacts per axis (X-axis, Y-axis, Z-axis): 3

8) Crash environmental conditions

Peak acceleration: 10g

Pulse width: 16ms

Collision rate: vertical axis 80 times/min

Collision times: 1000±10 times

Collision direction: vertical installation plane

9) Environmental requirements for sports cars

The road sports car has a mileage of 500 km. in:

Dirt road and gravel road: The speed is 20-30 km/h, 300 km.

Asphalt road and concrete road: the vehicle speed is 30-40 km/h, 200 km.

10) Electromagnetic compatibility

The electromagnetic compatibility refers to the relevant requirements of GJB151A-97 "Electromagnetic Emission and Sensitivity Requirements for Military Equipment and Subsystems".

11) Magnetic field

The performance characteristics of the gyro north finder under the condition of the magnetic induction intensity of (3±0.5)×10-4T should meet the technical index requirements.

Specifications

Product Drawing