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Introduction FSS-IMUP8 PRO is a 6-degree-of-freedom MEMS inerti
Volume 38.6*44.8*21.5mm
Weight 72.5g
Application field Aerial surveying and mapping
Product features Tactical-grade MEMS gyroscopes, tactical-grade MEM
Software interface RS422
Hardware interface J30J-15TJL
86-15148215714
DetailTechnical IndexDownloadHardware and Structu

1、Product Description

FSS-IMUP8-PRO 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.


Applications

• Aerial mapping


2、Characteristic

Tactical Grade MEMS Gyroscope

Bias Instability: 0.35°/hr

Angle Random Walk: 0.08°/√hr

Temperature Drift: 30°/hr (-40℃ ~ 85℃, ≤1℃/min @1σ)


Tactical Grade MEMS Accelerometer

Bias Instability: 20μg

• Velocity Random Walk: 0.08 m/s/√hr

Temperature Drift: 0.8mg (-40 ~ 85℃, ≤1℃/min @1σ)


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 500Hz

Digital Interfaces: Serial ports, I²C and SPI

Small Size and Low Weight: 38.6×44.8×21.5 mm, about 72.5g


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

Parameter

Test Conditions/ Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±300


°/s

Bias instability

@25℃, ALLAN Variance, 1σ


0.35


°/hr

Misalignment



0.02


deg

Internal Low-pass

Cutoff Frequency

Adjustable software


75


Hz

Sampling Rate



500


Hz

Measure Delay



7.2


ms

Offset Error over

Temperature¹

-40℃~85°C, ≤1℃/min @1σ


30


°/hr

Random Walk²

@25℃, ALLAN Variance, 1σ


0.08


°/√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

g

Bias instability

@25℃, ALLAN Variance, 1σ


15


μg

Misalignment



0.02


deg

Internal Low-pass

Cutoff Frequency

Adjustable software


75


Hz

Sampling Rate



500


Hz

Measure Delay



7.2


ms

Offset Error over

Temperature¹

-40℃ ~ 85℃,

≤1℃/min @1σ


1.0


mg

Random Walk²

@25℃, ALLAN Variance, 1σ


0.03


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