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Laser Inertial Measurement Unit

Features:
1. Can set compensation model, high precision, long time working stability;
2. Many kinds of interface, can be customized;
3. Small volume, light weight, high environment adaptation.

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Laser Inertial Measurement Unit

ER-1D Laser Inertial measurement unit

ER-1D.jpg

ER-1D Laser Inertial measurement unit is composed of three Miniaturization of laser gyro, Mounting support and Absorber. According to user’s requirement, user can choose if accelerometer, secondary electric power supply, computer board are needed. With the unit, we can get accurate measurement information carrier which relative to the angular motion of the inertial space. The output data form is Angle increment form. It can be used in products’ develop and research of Inertial integrated navigation, positioning direction, attitude position measurement etc.

 

Features:

l   Can set compensation model, high precision, long time working stability

l   Many kinds of interface, can be customized

l   Small volume, light weight, high environment adaptation

 

Application:

l   Airborne integrated navigation system integration

l   Stationary positioning directional system integration

l   Mobile measurement system of heading attitude accurate measurement

l   High-speed rail measurement system

l   High precision servo control application

 

Specifications:

 

No.

Item

Index

Remark

A level

B level

1

Angular rate measurement dynamic range

≤±300°/S


2

Bias

≤±0.5°/h

≤±0.5°/h


3

Bias stability

≤±0.015°/h

≤±0.020°/h

4

Bias repeatability

≤±0.015°/h

≤±0.020°/h

5

Acceleration range

±30g

±30g

Customized

6

Acceleration Bias stability

0.05mg

0.1mg

7

Acceleration Bias Repeatability

0.05m

0.05m

8

Starting time

20S


9

Temperature

-40~70


10

Impact

15g/30g


11

Volume

212mm*195mm*175mm


12

Weight

≤17Kg


13

Power

Accelerometer: +5V1, +5V2, -5V,   ±15V

Gyroscope: ±5V, +12V, -12V1,   -12V2


14

Interface

RS422


15

Data refresh

400Hz


16

Baud rate

230400bps


 


ER-IMU32 type laser inertial measurement unit

ER-IMU32 type inertial measurement unit (IMU32) is a miniature, medium and high precision laser inertial measurement unit. Built in 3 laser gyroscope, embedded data processing system, two power module, accelerometer and accelerometer acquisition circuit, can sense the relative angular motion and line motion information of the carrier relative to inertial space.

IMU.jpg


1. product characteristics

A. free calibration

IMU level error calibration is completed, which is convenient for user engineering application.

B.super extensibility

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

GNSS receiver installation position and antenna interface can be reserved.

The two power module is optional. (Basic + extended power).

C. stable performance, strong environmental adaptability

In the grade to withstand environmental requirements.

2. Product application field

This product is applicable to all kinds of Strapdown type high precision positioning and orientation device, /GNSS inertial integrated navigation system, mobile measurement system, high-speed rail, highway measurement system and the precision of aerial photography, aerial mapping, field testing, water underground navigation and other printing equipment.

3. Product technical index

No.

Parameter

Technical Index

Gyro Performance Index

1

Gyro bias

±0.1°/h)

2

Gyro bias stability

A-Class:≤0.010°/h

B-Class:≤0.015°/h

3

Gyro bias repeatability

A-Class:≤0.010°/h

B-Class:≤0.015°/h

4

Sensitivity of gyro bias magnetic field

A-Class:≤0.010°/h/G

B-Class:≤0.015°/h/G

5

Gyro random walk coefficient

≤0.003 (°)/h 1/2

6

Gyro scale factor nonlinearity

≤5ppm

7

Misalignment angle of gyro input shaft

≤10″

Accelerometer Performance Index

8

Accelerometer bias stability

≤5×10-5g

9

Accelerometer bias repeatability

≤5×10-5g

10

Accelerometer scale factor stability

≤30ppm

11

Accelerometer scale factor repeatability

≤30ppm

12

Angular velocity measurement range

±300°/s, ±500°/s(optional

13

Line acceleration measurement range

±15g, ±40goptional

14

Starting time

≤20s

15

Dimension (mm

202±1×194±1×135±1

16

Mounting interface

8 M5 threaded holes,

each side has 4 symmetry

145±0.1mm×137±0.1mm

17

Weightkg

<8kg

18

power supply

+28V, +12V,

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

19

power consumption

Startup power consumption100w

Working power dissipation50w

20

working temperature

-40℃70℃

21

Storage temperature

-45℃75℃

22

attack

40g11mshalf sine / post peak saw tooth

23

Vibration

Sine: 10Hz-500Hz5g

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

24

Electrical interface

Power interface, rectangular electrical connector: J30J-37ZK

Communication interface: RS422

25

Connector cable length

default 210mm±5mm

26

communication interface

RS232RS422optional

27

Baud rate

115200bps

28

Data refresh rate

100Hz


ERICCO is expert in high quality laser inertial measurement unit manufacturing and selling, who is one of the best manufacturers and suppliers of laser inertial measurement unit with high precision. We have a professional factory at your service.

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