Laser Inertial Navigation Unit Calibration Free|ultra-high Accuracy|super Scalability|high Stability|compact Envelope For Inertial/GNSS Integrated Navigation System (IMUs)

 

WhatsApp: 0086-182 9141 8396. Email: lemon@mh-elec.com  info@mh-elec.com

Website: www.mh-elec.com

www.mh-elec.en.alibaba.com

www.mhelectronic.en.alibaba.com

This product is a high integration, miniature inertial measurement unit, with selectable accuracy and configure. It consists of 3 high accuracy laser gyroscopes, accelerometer and acquisition circuit of accelerometer, as well as a secondary power supply. The main application is to provide  the angular/line motion of carrier’s relative inertial space for users.

 

 

(1). Calibration free

The IMU level error calibration is completed, which is convenient for users' engineering application.

 

(2). Super scalability

The installation position of three axis accelerometer and accelerometer acquisition circuit can be reserved.

The installation position of GNSS receiver, and the antenna interface can be reserved.

Selectable secondary power supply module. (Basic + extended power)

 

 (3). Stable performance, strong environmental adaptability

It can be applied in environmental requirements of military grade.

 

 

 

 

Parameter

Technical index

Gyro

1

Bias

±0.1(°)/h

2

Bias stability

Grade A:≤0.010(°)/h

Grade B:≤0.015(°)/h

Grade C:≤0.020(°)/h

3

Bias repeatability

Grade A:≤0.010(°)/h

Grade B:≤0.015(°)/h

Grade C:≤0.020(°)/h

4

Bias magnetic sensitivity

Grade A:≤0.010(°)/h/G

Grade B:≤0.015(°)/h/G

Grade C:≤0.020(°)/h/G

5

Random Walk coefficient

≤0.003(°)/h 1/2

6

Scale factor non-linearity

≤5ppm

7

Input axis misalignment angle

≤10″

Accelerometer

8

Bias stability

≤5×10-5g

9

Bias repeatability

≤5×10-5g

10

Scale factor stability

≤30ppm

11

Scale factor repeatability

≤30ppm

Measurement Range

12

Angular rate measurement range

±300°/s,±500°/s(Selectable)

13

Linear acceleration

±15g,±40g(Selectable)

Physics performance

14

Start time

≤20s

15

Outer dimension (mm)

(202±1)×(194±1)×(135±1)

16

Installation interface

8 M5 Threaded holes, 4 on each side(145±0.1)mm×(137±0.1)mm

17

Weight (kg)

<8kgs

18

Power

+28V, +12V,

-12V, -12V, -12V, -12V

19

Power dissipation

Start:100w

Working:50w

Environmental suitability

20

Working temperature

-40℃~70℃

21

Storage temperature

-45℃~75℃

22

Shock

40g, 11ms, Half sine/final peak saw tooth

23

Vibration

Sine: 10Hz-500Hz, 5g

Random: 10Hz-200Hz, 0.015g2/Hz

Interface

24

Electrical interface

Power interface, rectangular electric connector:J30J-37ZK

Communication interface:RS422

25

Connector cable length

Default: 210mm±5mm

26

Communication interface

RS232,RS422 (Selectable)

27

Band Rate

115200bps

28

Data refresh rate

100Hz

                      

 

This system is mainly used as the core component of integrated navigation systems for various civilian vehicles, aircraft and ships.

 




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