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Introduction FSS-IMU614E-C is a 6-DOF MEMS inertial sensor modu
Volume 17x14.7x3.2mm
Weight 2g
Application field Laser SLAM
Software interface TTL; I²C; SPI
Hardware interface Solder pins
86-15148215714
DetailTechnical IndexDownloadHardware and Structu

1、Product Description

FSS-IMU614E-C is a MEMS inertial measurement unit (IMU) module with 6 degrees of freedom (DOF) developed by Forsense (Shanghai) Technology Co., Ltd.


It features 3-axis Gyroscopes and 3-axis Accelerometers, measuring angular velocity, linear acceleration, and high-precision attitude angles respectively.


High precision and high resolution combine to help capture subtle vibration and tilt. A large number of output parameters enable the perception of motion despite intense shaking. All IMU modules are calibrated independently on a rotary table and adjusted precisely over an ultra-wide temperature range in a temperature chamber before leaving the factory, so that they can deliver stable and consistent performance in most extreme conditions.


Application Areas
Handheld Laser SLAM and other surveying and mapping fields


2、Characteristic

Tactical Grade MEMS Gyroscope

Bias Instability: 1.5 °/hr

Angle Random Walk: 0.1 °/√hr


Tactical Grade MEMS Accelerometer

Bias Instability: 20 μg

• Velocity Random Walk: 0.02 m/s/√hr


Refined temperature compensation

Wide Temperature Range: -40℃ to 85℃

Precise Temperature Calibration


Independent Rotary Table Calibration

Sensitivity, Bias instability, and Misalignment


High-intensity Tolerance

Ultra Shock Resistance: 2000g (0.5ms, Half-sine shock pulse, 3 axis)

Superb Vibration Resistance: 10g (10~2KHz, 3-axis)

Ultra-wide Operating Temperature Range: -40℃ to 85℃

100% Magnetic Shielding


Benefits

Real-time and Flexibility: Configurable output sampling rate up to 1KHz

Digital Interfaces: Serial ports, I²C and SPI

Small Size and Low Weight: 14.7×17×3.2 mm, about 2g


Apart from standard performance and output parameters, Forsense also provides customized services, including software development and LOGO design, to improve your products!




Gyroscope Key Metrics

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±500


°/s

Bias instability¹

@25℃, ALLAN Variance,


1.5

2.7

°/hr

Bias stability

GJB, 10s smooth


5.5


°/hr

Bias Repeatability

GJB


15


°/s

Resolution



0.0175


deg

Misalignment



0.02

0.05

deg

Internal Low-pass Cutoff Frequency

Adjustable software


47


Hz

ODR



1000


Hz

Measure Delay



5


ms

Offset Error over Temperature

-40 ~ 85℃, ≤1℃/min @1σ


0.04

0.1

°/s

Random Walk¹

@25℃, ALLAN Variance,


0.1

XY: 0.15

Z: 0.12

°/√hr

Scale Coefficient Error



1.5


Scale Factor Nonlinear

@25℃


200


ppm

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)


Accelerometer Key Metrics

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±8


g

Bias instability¹

@25℃, ALLAN Variance,


20


μg

Bias stability

GJB, 10s smooth


50


μg

Bias Repeatability

GJB


0.3


mg

Resolution



0.122


mg

Misalignment



0.02

0.05

deg

Internal Low-pass Cutoff Frequency

Adjustable software


47


Hz

ODR



1000


Hz

Measure Delay



5


ms

Offset Error over Temperature

-40 ~ 85℃, ≤1℃/min @1σ


1

1.5

mg

Random Walk

@25℃,ALLAN Variance,


0.02


m/s/√hr

Scale Coefficient Error

0.3


Scale Factor Nonlinear

@25℃


100


ppm

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)


External Structure

Outline Structure and Dimensions (unit: mm)

ch2 图3-2 外形结构及尺寸.jpg

ch2 图3-1 外形结构及尺寸.jpg