• High Performance Accelerometer
• 25 µg/√Hz (8g option)
• 80 µg/√Hz (20g option)
• Super-stable Gyro
• 8 dph in-run bias (-40 to +85°C)
• Offset temperature hysteresis 0.05°/s
• ARW 0.3°/√hr
• Pitch-roll static/dynamic accuracy ±0.25°/0.4°
• IMU sampling rate up to 1000Hz
• Auto-adaptive EKF output rate up to 500Hz
• Independently configurable IMU and EKF outputs
• Forward compatible MIP Protocol optimizes bandwidth
• SensorConnect software for configuration, control, display, and logging
The 3DM-GX5-AHRS is the industry’s most proven high-performance industrial Attitude and Heading Reference System (AHRS).
It features a fully calibrated and temperature-compensated triaxial accelerometer, gyroscope, and magnetometer to achieve the optimum
combination of measurement qualities under all dynamic conditions.
The dual on-board processors run an exclusive Auto-Adaptive Extended Kalman Filter (EKF) for outstanding dynamic attitude estimates,
making it ideal for a wide range of applications including platform stabilization, robotics, and vehicle health and usage monitoring.
The MicroStrain 3DM-GX5 family of high-performance, industrial-grade inertial sensors provides a wide range of
triaxial inertial measurements, computed attitude, and navigation solutions. In all models, the Inertial Measurement Unit (IMU)
includes direct measurement of acceleration and angular rate, and is fully temperature-compensated and calibrated over the
operating temperature range.
The use of Micro-Electro-Mechanical System (MEMS) technology allows for highly accurate, small, and lightweight devices.
SensorConnect software is a user-friendly program for device configuration.
MIP Monitor (MicroStrain Inertial Protocol) can also be used for live monitoring and recording.
Alternatively, the MIP Data Communications Protocol is available for custom interfaces and OEM integration.
The sensor operates independently of computer platform, operating system, or coding language.
| Parameter | Value |
|---|---|
| Performance Grade | High Performance Grade |
| Features | Accelerometer, Gyroscope, Magnetometer |
| Random Walk | Accel: 20 µg/√Hz, Gyro: 0.3 °/√hr |
| Bias Instability (Gyroscope) | 8 °/hr |
| Bias Instability (Accelerometer) | 40 µg |
| Hysteresis | Accel bias 4.8 mg, Accel gain 300 PPM, Gyro bias 0.12 °/s, Gyro gain 300 PPM |
| Communication Port Type | Micro-D9 |
| Communication Interface | RS-232, USB |
| Update Rate | IMU 1000 Hz, EKF 500 Hz |
| Inputs / Outputs | 3 × GPIO |
| Weight | 16.5 g |
| Size | 36.0 mm × 36.6 mm × 11.1 mm |
| Power Consumption | 0.5 W |
| Input Voltage | 4.0 V to 36.0 V |
| Operating Temperature | –40 °C to +85 °C |
| MTBF | 557 280 h |
| Sensing Range (Accelerometer) | ±2 g, ±4 g, ±8 g, ±20 g, ±40 g |
| Sensing Range (Gyroscope) | ±75 °/s, ±150 °/s, ±300 °/s, ±900 °/s |
| Sensing Range (Magnetometer) | ±8 Gauss |
| Sensing Range (Pressure) | 1260 mbar |
| Accuracy | Roll/Pitch (static) 0.25 °, Heading (static) 0.8 ° |
| Ingress Protection | Not Rated |
| Housing Material | Aluminum |
| Software | MSCL, ROS, SensorConnect |
| Mounting Style | Screw Down, Precision Alignment |
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