NEW VERSION
There is a new version of this product available. The product on this page has been discontinued and the datasheet and manual are provided for informational purposes.
The 3DM-GX4-45™ is a miniature industrial-grade all-in-one navigation solution with integrated GPS and magnetometers, high noise immunity, and exceptional performance.
Product Highlights
Best in Class Performance
Ease of Use
Cost Effective
General |
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Integrated sensors |
Triaxial accelerometer, triaxial gyroscope, triaxial magnetometer, temperature sensors, pressure altimeter and GPS receiver |
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Data outputs |
Inertial Measurement Unit (IMU) outputs: acceleration, angular rate, magnetic field , ambient pressure, deltaTheta, deltaVelocity Computed outputs Extended Kalman Filter (EKF): filter status, GPS timestamp, LLH position, NED velocity, attitude estimates (in Euler angles, quaternion, orientation matrix), linear and compensated acceleration, bias compensated angular rate, pressure altitude, gyroscope and accelerometer bias, scale factors and uncertainties, gravity and magnetic models, and more. Complementary Filter (CF): attitude estimates (in Euler angles, quaternion, orientation matrix), stabilized north and gravity vectors, GPS correlation timestamp Global Positioning System outputs (GPS): LLH position, ECEF position and velocity, NED velocity, UTC time, GPS time, SV. GPS protocol access mode available. |
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Inertial Measurement Unit (IMU) Sensor Outputs |
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Accelerometer |
Gyroscope |
Magnetometer |
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Measurement range |
±5 g (standard) ±16 g (option) |
300°/sec (standard ±75, ±150, ±900 °/sec (options) |
±2.5 Gauss |
Non-linearity |
±0.03 % fs |
±0.03 % fs |
±0.4 % fs |
Resolution |
<0.1 mg |
<0.008°/sec |
-- |
Bias instability |
±0.04 mg |
10°/hr |
-- |
Initial bias error |
±0.002 g |
±0.05°/sec |
±0.003 Gauss |
Scale factor stability |
±0.05 % |
±0.05 % |
±0.1 % |
Noise density |
100 µg/√Hz |
0.005°/sec/√Hz |
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) |
0.05% (typ) |
-- |
Gain error over temperature |
0.05% (typ) |
0.05% (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 |
4 stage filtering: analog bandwidth filter to digital sigma- delta wide band anti-aliasing filter to (user adjustable) digital averaging filter sampled at 4 kHz and scaled into physical units; coning and sculling integrals computed at 1 kHz |
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Sampling rate |
4 kHz |
4 kHz |
50 Hz |
IMU data output rate |
1 Hz to 500 Hz |
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Pressure Altimeter |
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Range |
-1800 m to 10,000 m |
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Resolution |
< 0.1 m |
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Noise density |
0.01 hPa RMS |
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Sampling rate |
25 Hz |
Computed Outputs |
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Position accuracy |
±2.5 m RMS horizontal, ± 5 m RMS vertical (typ) |
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Velocity accuracy |
±0.1 m/s RMS (typ) |
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Attitude accuracy |
EKF outputs: ±0.25° RMS roll & pitch, ±0.8° RMS heading (typ) CF outputs: ±0.5° roll, pitch, and heading (static, typ), ±2.0° roll, pitch, and heading (dynamic, typ) |
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Attitude heading range |
360° about all axes |
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Attitude resolution |
< 0.01° |
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Attitude repeatability |
0.3° (typ) |
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Calculation update rate |
500 Hz |
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Computed data output rate |
EKF outputs: 1 Hz to 500 Hz CF outputs: 1 Hz to 1000 Hz |
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Global Positioning System (GPS) Outputs |
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Receiver type |
50-channel u-Blox 6 engine GPS, L1 frequency, C/A code SBAS: WAAS, EGNOS, MSAS |
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GPS data output rate |
1 Hz to 4 Hz |
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Time-to-first-fix |
Cold start: 27 sec, aided start: 4sec, hot start: 1 sec |
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Sensitivity |
Tracking: -159 dBm, cold start: -147 dBm, hot start: -156 dBm |
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Velocity accuracy |
0.1 m/sec |
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Heading accuracy |
0.5° |
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Horizontal position accuracy |
GPS: 2.5 m CEP SBAS: 2.0 m CEP |
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Time pulse signal accuracy |
30 nsec RMS < 60 nsec 99% |
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Acceleration limit |
≤ 4 g |
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Altitude limit |
No limit |
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Velocity limit |
500 m/sec (972 knots) |
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Operating Parameters |
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Communication |
USB 2.0 (full speed) RS232 (9,600 bps to 921,600 bps, default 115,200) |
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Power source |
+ 3.2 to + 36 V dc |
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Power consumption |
170 mA (typ), 200 mA (max) - Vpri = 3.2 to 5.5 V dc 750 mW (typ), 900 mW (max) - Vaux = 5.2 to 36 V dc |
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Operating temperature |
-40 °C to +85 °C |
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Mechanical shock limit |
500 g (calibration unaffected) 1000 g (bias may change) 5000 g (survivability) |
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MTBF |
180,000 hours (Telcordia method I, GL/35C) 67,000 hours (Telcordia method I, GM/35C) |
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Physical Specifications |
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Dimensions |
44.2 mm x 24.0 mm x 11.3 mm (excluding mounting tabs), 36.6 mm (width across tabs) |
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Weight |
20 grams |
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Enclosure material |
Aluminum |
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Regulatory compliance |
ROHS, CE |
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Integration |
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Connectors |
Data/power output: micro-DB9 GPS antenna: MMCX type |
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Software |
MIP™ Monitor, MIP™ Hard and Soft Iron Calibration, Windows XP/Vista/7/8 compatible |
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Compatibility |
Protocol compatibility with 3DM-GX3® and 3DM- RQ1-45™ sensor families. |
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Software development kit (SDK) |
MIP™ data communications protocol with sample code available (OS and computing platform independent) |
General Documentation
Technical Notes
Mechanical Prints (Uncontrolled)
Video