3DM-GX5-25

3DM-GX5-25

By Lord Sensing



The MicroStrain 3DM high-accuracy attitude heading reference system that utilizes MEMS sensor technology. The sensor combines a triaxial accelerometer, gyro and magnetometer, temperature sensors and on-board processor.  Inertial measurement data is typically incorporated into pose calculations to improve localization estimation.

Features

Best in Class Performance

  • Bias tracking, error estimation, threshold flags, and adaptive noise modeling allow for fine tuning to conditions in each application
  • Accelerometer noise as low as 25 ug/√Hz
  • Smallest and lightest industrial AHRS with Adaptive Kalman Filter available

Ease of Use

  • Automatic magnetometer calibration and anomaly rejection eliminates the need for field calibration
  • Automatically compensates for vehicle noise and vibration
  • Easy integration via comprehensive and fully backwards-compatible communication protocol
  • Common protocol between 3DM-GX3, GX4, RQ1, GQ4, and GX5 inertial sensor families for easy migration

Cost Effective

  • Out-of-the box solution reduces development time
  • Volume discounts

Specifications

General

Integrated sensors

Triaxial accelerometer, triaxial gyroscope, triaxial magnetometer, pressure altimeter, and temperature sensors

Data outputs

Inertial Measurement Unit (IMU) outputs: acceleration, angular rate, magnetic field , ambient pressure, deltaTheta, deltaVelocity

Computed outputs:
Extended Kalman Filter (EKF): filter status, timestamp, attitude estimates (in Euler angles, quaternion, orientation matrix), linear and compensated acceleration, bias compensated angular rate, pressure altitude, gravity-free linear acceleration, gyroscope and accelerometer bias, scale factors and uncertainties, gravity and magnetic models, and more.

 

Inertial Measurement Unit (IMU) Sensor Outputs

Accelerometer

Gyroscope

Magnetometer

Measurement range

±8 g (standard)
±2 g, ±4 g, ±20 g, ±40 g (optional)

300°/sec (standard)

±75, ±150,

±900 °/sec (optional)

±2.5 Gauss

Non-linearity

±0.02 % fs

±0.02 % fs

±0.3 % fs

Resolution

<0.1 mg

<0.003°/sec

--

Bias instability

±0.04 mg

8°/hr

--

Initial bias error

±0.002 g

±0.04°/sec

±0.003 Gauss

Scale factor stability

±0.03%

±0.05%

±0.1%

Noise density

25 µg/√Hz (2 g)

0.005°/sec/√Hz (300 dps)

100 µGauss/√Hz

Alignment error

±0.05°

±0.05°

±0.05°

Adjustable bandwidth

225 Hz (max)

250 Hz (max)

-

Offset error over
temperature

0.06% (typ)

0.04% (typ)

--

Gain error over temperature

0.03% (typ)

0.03% (typ)

--

Scale factor non-linearity
(@ 25° C)

0.02% (typ)

0.06% (max)

0.02% (typ)

0.06% (max)

±0.0015 Gauss

Vibration induced noise

--

0.072°/s RMS/g RMS

--

Vibration rectification error (VRE)

--

0.001°/s/g2 RMS

--

IMU filtering

 

Digital sigma-delta wide band anti-aliasing filter to digital averaging filter (user adjustable) scaled into physical units; coning and sculling integrals computed at 1 kHz

Sampling rate

1 kHz

4 kHz

50 Hz

IMU data output rate

1 Hz to 1 kHz

Pressure Altimeter

Range

-1800 m to 10,000 m

Resolution

< 0.1 m

Noise density

0.01 hPa RMS

Sampling rate

25 Hz



Computed Outputs

Attitude accuracy

EKF outputs: ±0.25° RMS roll and pitch, ±0.8° RMS heading (typ)

CF outputs: ±0.5° RMS roll and pitch, ±1.5° RMS heading (typ)

Attitude heading range

360° about all axes

Attitude resolution

< 0.01°

Attitude repeatability

0.2° (typ)

Calculation update rate

500 Hz

Computed data output rate

EKF outputs: 1 Hz to 500 Hz
CF outputs: 1 Hz to 500 Hz

Operating Parameters

Communication

USB 2.0 (full speed)
RS232 (9,600 bps to 921,600 bps, default 115,200)

Power source

+4 to + 36 V dc

Power consumption

500 mW (typ)

Operating temperature

-40 °C to +85 °C

Mechanical shock limit

500 g (calibration unaffected)
1000 g (bias may change), 5000 g (survivability)

MTBF

(TBD)

Physical Specifications

Dimensions

36.0 mm x 36.6 mm x 11.1 mm

Weight

16.5 grams

Enclosure material

Aluminum

Regulatory compliance

ROHS, CE

Integration

Connectors

Data/power output: micro-DB9

Software

MIP Monitor, Windows XP/Vista/7/8/10 compatible

Compatibility

Protocol compatibility across 3DM-GX3, GX4, RQ1, GQ1, and GX5 product families

Software development kit (SDK)

MIP data communications protocol with sample code available (OS and platform independent)

Downloads

MicroStrain 3DM-GX5-25 Data Sheet


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