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

0.1deg Precise North Seeker Accelerometer Range 2g 50Hz Bandwidth
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Product Name: Dynamic North Seeker
Span ( (/s): 100
Zero ( (/H, 1σ): 0.1
Zero-bias Stability ( (/H, Allan): 0.02
Accelerometer Range: 2g
Bandwidth: 50Hz
Power: 5~12v
Output: RS422
High Light:

0.1deg Precise North Seeker


Precise North Seeker 2g

Basic Infomation
Place of Origin: CHINA
Brand Name: AVIC
Model Number: NF701
Payment & Shipping Terms
Packaging Details: carton with sponge
Delivery Time: 10 days for sample
Payment Terms: T/T
Supply Ability: 1000/month
Product Description

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.




Main technical parameters
Parameters NF701 Unit
North seeking accuracy (1σ) ≤0.1 °
North seek time ≤ 3 min
Horizontal accuracy (pitch and roll) ≤0.05 (1σ) °
Circular linearity (1σ) ≤0.1 °
Power-on preparation time 6 min
interface RS422 /
Weight <5.5 Kg
Dimension 150×170×172 mm
Working mode

After power on, it start self-test. After the self-test

completed, it will response to the upper computer’s north

seek command. And after north seeking, the north seeking

result will be sent to upper computer.

Environment requirements
Operating temperature -40 ~ +65 ° C
Storage temperature -45~ +70 ° C
Relative humidity 95 %
Appearance The metal surface shall not be rusted, and the coating shall not cause blistering or peeling.
Electrical performance
Power supply 24±4V
Power consumption <30W
Insulation resistance

The insulation resistance between the individual circuits of the gyro north finder and its circuit and housing shall be not less than 10 MΩ under standard atmospheric


MTBF ≥1000 hrs
MTTR ≤30 min




  • North Finder
  • Navigation and control
  • Attitude Reference System
  • Guidance
  • Vehicle and ship attitude measurement
  • Inertial/satellite integrated navigation system
  • Drilling and production system
  • Mobile Mapping System

Product Drawing

0.1deg Precise North Seeker Accelerometer Range 2g 50Hz Bandwidth 0


About company

HONG KONG AVIONICS TECHNOLOGY CO., LIMITED focuses on China's aerospace electronics export services, including gyro, accelerometer, satellite navigation, inertia turntable, test equipment for the main business, the company core team who graduated from the domestic well-known university of science and technology, and aerospace technology, aerospace science and industry, China's electricity, China north, ordnance industry, heavy industry, national defense science and technology university of science and technology research institutions such as a strategic partner, To provide users with professional product consulting, customized services, quality control services.


R&D and Innovation

In order to let customers have a better use experience, we have been working hard.


In the process of cooperation with customers, we provide customers with the support they need, for customers in the process of purchase, use may put forward any requirements, questions, provide a full range of solutions, so that customers buy, use more convenient.


Over the years we pay attention to the internal quality of products, through rigorous work, to create a unique performance of the product. To this end, we have established our own RESEARCH and development center, and constantly enrich and expand its strength.


We have a group of professional skills, industry experience of high-quality management and R & D technical personnel.

Company and Harbin industrial university, national university of defense technology, south China university of technology and other advanced education has established the manufacture-learning-research cooperation, undertaken the national key projects and major projects of production, study and study and so on more than 20 projects of science and technology, developed more than 100 high technology products, research and development of the attached transfer machine type inertial navigation system is to obtain X contest.


Development strategy

"One mind, Two merge, Three forces, five modernizations"


"One mind" :

Firm in the original aspiration of "serving the country by aviation", earnestly fulfilling the mission of "making China an aviation power";


"Two merge" :

Implementing a new development model of "military-civilian integration" and "industrial integration";


"Three forces" :

To become a world-class aviation enterprise group with "leading innovation, advanced cultural strength and excellent competitiveness";


"Five Modernizations" :

Adhere to the development path and principle of "intensive operation, accurate management, market-oriented reform, systematic development, international win-win".


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