The LORD Sensing 3DM-GX5 family of high-performance industrial grade inertial sensors provides a wide range of triaxial inertial measurements and computed attitude and navigation solutions. In all models, the Inertial Measurement Unit (IMU) includes direct measurement of acceleration and angular rate. All sensors are fully temperature compensated and calibrated over the operating temperature. The use of Micro- Electro- Mechanical System (MEMS) technology allows for highly accurate, small, lightweight devices. The LORD Sensing MIP Monitor software can be used for device configuration, live data monitoring, and recording. Alternatively, the MIP Data Communications Protocol is available for development of custom interfaces and easy OEM integration.

Datasheet Manual
Large Quantity & OEM Orders

Best in Class Performance

  • Fully calibrated, temperature-compensated, and mathematically-aligned to an orthogonal coordinate system for highly accurate outputs
  • Bias tracking, error estimation, threshold flags, and adaptive noise modeling allow for fine tuning to conditions in each application
  • High-performance, low-drift gyros with noise density of 0.005°/sec/√Hz and VRE of 0.001°/s/g2RMS
  • Accelerometer noise as low as 25 ug/√Hz

Ease of Use

  • User-defined sensor-to-vehicle frame transformation
  • Common protocol between 3DM-GX3, GX4, RQ1, GQ4, GX5, and CV5
  • Robust, forward compatible MIP packet protocol

Cost Effective

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

General

Integrated sensors

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

Data outputs

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

 

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

Inertial Measurement Unit (IMU) Sensor Outputs

 

Accelerometer

Gyroscope

Measurement range


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

300°/sec (standard)

±75, ±150, ±900°

/sec (optional)

Non-linearity

±0.02% fs

±0.02% fs

Bias instability

±0.04 mg

8°/hr

Initial bias error

±0.002 g

±0.04°/sec

Scale factor stability

±0.03%

±0.05%

Noise density

25 µg/√Hz (2 g)

0.005°/sec/√Hz 0.005°/sec/√Hz (300°/sec)

Alignment error

±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)

Vibration induced noise

--

0.072°/s RMS/g RMS

Vibration rectification error (VRE)

--0.03%

--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

IMU data output rate

1 Hz to 1000 Hz

Pressure Altimeter

Range

-1800 m to 10,000 m

Resolution

< 0.1 m

Noise density

0.01 hPa RMS

Sampling rate

25 Hz

Compatibility

Common protocol between 3DM-GX3, GX4, RQ1, GQ4, GX5, and CV5

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