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. The computed outputs vary between models and can include pitch, roll, yaw, a complete attitude and heading reference solution (AHRS), or a complete position, velocity and attitude solution (PVA), as well as integrated GNSS outputs. 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, light-weight 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.

 

Product Highlights

  • High-performance integrated multi-constellation GNSS receiver and advanced MEMS sensor technology provide direct inertial measurements, and computed attitude and heading outputs in a small package
  • Triaxial accelerometer, gyroscope, magnetometer, temperature sensors, and a pressure altimeter achieve the optimal combination of measurement qualities
  • Economical combination of AHRS and GNSS outputs for use in customer supplied Kalman Filters
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
  • 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

  • Easy integration via comprehensive and fully backwards-compatible communication protocol

Cost Effective

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

Specifications

General

Integrated sensors

Triaxial accelerometer, triaxial gyroscope, triaxial magnetometer,temperature sensors pressure sensor, and GNSS receiver

Data outputs

Inertial Measurement Unit (IMU) outputs: acceleration, angular rate, magnetic field , ambient pressure, Delta-theta, Delta-velocity

 

Complementary Filter (CF): attitude estimates (in Euler angles, quaternion, orientation matrix), stabilized north and gravity vectors, GNSS correlation timestamp

 

Global Navigation Satellite System outputs (GNSS): LLH position, ECEF position and velocity, NED velocity, UTC time, GNSS time, SV.GNSS protocol access mode available.

 

Inertial Measurement Unit (IMU) Sensor Outputs

 

Accelerometer

Gyroscope

Magnetometer

Measurement range

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

(standard)

±75, ±150,

±900 (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°/sec)

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.

Sampling rate

1 kHz

4 kHz

50 Hz

IMU data output rate

 

Pressure Sensor

Range

260 to 1260 hPa

Resolution

0.01 hPa

Noise

0.01 hPa RMS

Sampling rate

25 Hz

Computed Outputs

Attitude accuracy

 

CF outputs: ±0.5° roll, pitch, and heading (static, typ), ±2.0° roll, pitch, and heading (dynamic, 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


CF outputs: 1 Hz to 1 kHz

Global Navigation Satellite System (GNSS) Outputs

Receiver type

72-channel GPS/QZSS L1 C/A, GLONASS L10F, BeiDou B1, SBAS L1 C/A:WAAS, EGNOS, MSAS Galileo E1B/C

GNSS data output rate

1 Hz to 4 Hz

Time-to-first-fix

Cold start: 27 second, reacquisition: 1 second, hot start: <1 second

Sensitivity

Tracking: -164 dBm, cold start: -147 dBm, hot start: -156 dBm

Velocity accuracy

0.1 m/sec

Heading accuracy

0.5°

Horizontal position accuracy

GNSS: 2.5 m CEP

SBAS: 2.0 m CEP

Time pulse signal accuracy

30 nsec RMS
< 60 nsec 99%

Acceleration limit

≤ 4 g

Altitude limit

50,000 meters

Velocity limit

500 m /sec (972 knots)

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 V dc

Power consumption

700 mW (typ), 800 mW (max)

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

44.2 mm x 36.6 mm x 11 mm

Weight

20 grams

Enclosure material

Aluminum

Regulatory compliance

ROHS, CE

Integration

Connectors

Data/power output: micro-DB9

GNSS  antenna: MMCX type

Software

MIP Monitor, MIP Hard and Soft Iron Calibration, Windows XP/Vista/7/8/10 compatible

Compatibility

Protocol compatibility across 3DM-GX3, GX4, RQ1, GQ4, GX5 and CV5 product families

Software development kit (SDK)

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

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