DESCRIPTION
The HFI-A9 High Precision ROS IMU Module is a professional-grade 9-axis AHRS (Attitude and Heading Reference System) designed for robotics, automation, and motion tracking applications.
It integrates a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer, combined with advanced sensor fusion and Kalman filtering algorithms to deliver highly stable and accurate orientation data.
With native support for ROS1 and ROS2, USB communication, and strong anti-magnetic interference capability, the HFI-A9 is ideal for mobile robots, AGVs, drones, and autonomous systems.
FEATURES
- High-precision 9-axis sensor fusion (Gyroscope + Accelerometer + Magnetometer)
- Native support for ROS1 & ROS2 integration
- Static angle accuracy: 0.1° | Dynamic accuracy: 0.5°
- Advanced Kalman filtering + attitude solver
- Built-in magnetic interference suppression algorithm
- High-speed data output up to 300Hz
- High baud rate 921600 bps for stable communication
- Multiple orientation outputs: Euler angles / Quaternion / Roll-Pitch-Yaw
- Industrial-grade IP65 protection rating
- Compact and easy-to-integrate design
TECHNICAL SPECIFICATIONS
IMU Sensor Parameters
| Parameter | Accelerometer | Gyroscope | Magnetometer |
|---|---|---|---|
| Axis | 3 | 3 | 3 |
| Range | ±8g | ±2000°/s | ±1.3 Gauss |
| Bandwidth | 256Hz Max | 256Hz Max | — |
| Non-linearity | 0.6% FS | 0.3% FS | 0.1% FS |
| Noise Density | 0.5mg/√Hz | 0.01°/s/√Hz | — |
| Internal Sampling Rate | 1kHz | 4kHz | 160Hz Max |
Orientation Performance
| Parameter | Roll | Pitch | Yaw |
|---|---|---|---|
| Resolution | 0.01° | 0.01° | 0.01° |
| Angle Range | ±180° | ±90° | 0–360° |
| Static Accuracy | 0.1° | 0.1° | 1° |
| Dynamic Accuracy | 0.5° | 0.5° | ≤1.5°/min |
| Repeatability | <0.5° | <0.5° | <0.5° |
| Drift | <0.2°/h | <0.2°/h | 10°/h |
| Startup Offset | <0.5° | <0.5° | <2.0° |
General Specifications
| Parameter | Value |
|---|---|
| Model | HFI-A9 |
| Sensor Type | 9-Axis IMU / AHRS |
| Voltage | 4.7V – 5.5V |
| Current | 5mA |
| Interface | USB |
| Output Frequency | Up to 300Hz |
| Baud Rate | 921600 bps |
| Protection Rating | IP65 |
| ROS Compatibility | ROS1 / ROS2 |
APPLICATIONS
- Mobile robots & AGV navigation
- UAV / drone stabilization
- Autonomous driving systems
- Industrial automation & motion control
- Robot attitude estimation & positioning
- Smart equipment and embedded systems
PACKAGE INCLUDES
- 1 × HFI-A9 ROS IMU Module
- 1 × USB Cable
- Documentation / ROS Integration Guide
