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Introduction FSS-IMUP8 is a 6-degree-of-freedom MEMS inertial s
Volume 38.6*44.8*21.5mm
Weight 58.5g
Application field Aerial surveying and mapping
Product features Tactical grade MEMS gyroscope, tactical grade MEMS
Software interface RS422
Hardware interface J30J-15TJL
86-15148215714
DetailTechnical IndexDownloadHardware and Structu

IMUP8 is a MEMS inertial measurement unit (IMU) with 6 degrees of freedom (DOF) developed by Forsense (Shanghai) Technology Co., Ltd. It features three_axis gyroscopes and three_axis accelerometers, measuring angular velocity and linear acceleration 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.


Features

MEMS Gyroscope

●Bias Instability: 0.5°/hr

●Angle Random Walk: 0.1°/√hr

●Temperature Drift: 30°/hr

(-40℃ ~ 85℃,≤1℃/min @1σ)

MEMS Accelerometer

●Bias Instability: 20μg

●Velocity Random Walk: 0.035m/s/√hr

●Temperature Drift: 1mg (-40℃ ~ 85℃,≤1℃/min @1σ)

Refined temperature compensation

●Temperature Compensation: -40℃ to 85℃

●Precise Temperature Calibration

Independent Rotary Table Calibration

●Sensitivity, bias instability, and misalignment

●Providing a user interface for calibrating installation errors

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 Interface: RS-422

●Small Size and Low Weight: 38.6*44.8*21.5mm, about 74g


Gyroscope Key Metrics

Parameter

Test Conditions/ Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±300


°/s

Bias instability

@25℃, ALLAN Variance, 1σ


0.5


°/hr

Bias stability

GJB, 10s smooth


2


°/hr

Bias Repeatability

GJB

3


°/hr

Resolution

0.0041
°/s

Misalignment



0.02


deg

Internal Low-pass

Cutoff Frequency

Adjustable software


75


Hz

Sampling Rate



1000


Hz

Measure Delay



7.2


ms

Offset Error over

Temperature¹

-40℃ ~ 85°C

≤1℃/min @1σ


30


°/hr

Random Walk²

@25℃, ALLAN Variance, 1σ


0.1


°/√hr

Scale Coefficient Error



1.0


Scale Factor Nonlinear



200


ppm

Note 1: 1σ variation of full-temperature bias at a heating rate of 1℃/min

Note 2: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)

Accelerometer Key Metrics

Parameter

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±6

±20

(Optional)

g

Bias Instability

@25℃, ALLAN Variance, 1σ


20


μg

Bias stability

GJB, 10s smooth


30


°/hr

Bias Repeatability

GJB

20


°/hr

Resolution

0.0816
°/s

Misalignment



0.02


deg

Internal Low-pass Cutoff Frequency

Adjustable software


75


Hz

Sampling Rate



1000


Hz

Measure Delay



7.2


ms

Offset Error over

Temperature¹

-40~85℃

≤1℃/min @1σ


1.0


mg

Random Walk²

@25℃, ALLAN Variance, 1σ


0.035


m/s/√hr

Note 1: 1σ variation of full-temperature bias at a heating rate of 1℃/min

Note 2: 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 外形结构及尺寸.jpg

IMU Array Center (unit: mm)

ch2 图4 IMU 测量中心位置.jpg