High Precision Inertial Measurement Unit (IMU) Module

5 out of 5 based on 1 reviews | Write a review

$85.29

Micro high Precision IMU Module delivers accurate 3D orientation data. This versatile imu sensor module measures azimuth, roll, and pitch with selectable gyro or magnetic heading. Dynamic tilt accuracy reaches 0.5 degrees. Module withstands 100g shocks, and weighs under 35 grams. Engineered for reliability, operation is guaranteed across a wide temperature range with an IP65 rating for durability in demanding environments.

SKU: ATO-IMU-406

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Delivery date: 6-12 days

Overview

A cheap IMU module operates at just 50mA power with ±500°/sec gyro range and ±8G accelerometer. Cost-effective sensor module offers 14-17Hz magnetometer bandwidth and <0.1° azimuth resolution. Low-cost design includes Bluetooth 5.1 connectivity and USB 2.0 interface, delivering complete 9-axis IMU data for various applications.

Specification

Basic Parameters
Model	ATO-IMU406
Start-up Time	500 ms
Input Voltage	DC 3.3V (Ripple < 50mVpp)
Current Consumption	60 mA
Operating Temperature	-40 ~ +80 °C
Storage Temperature	-40 ~ +85 °C
Vibration	5g ~ 10g
Shock	200g pk, 2ms, ½sine
Operational Lifetime	10 years
Output Data Rate	Configurable: 5Hz, 15Hz, 25Hz, 35Hz, 50Hz, 100Hz
Output Signal	3.3V-TTL
Mean Time Between Failures (MTBF)	≥ 98,000 hours
Shock Resistance	100g @ 11ms, Three Axes (Half-Sine Wave)
Vibration Resistance	10 g_rms, 10 ~ 1000 Hz
Weight	≤ 15 g (Excluding cable)
3-Axis Attitude (Roll, Pitch, Yaw)
Measurement Range	Azimuth: ±180°, Roll: ±180°, Pitch: ±90°
Operational Bandwidth	> 100 Hz
Resolution	0.01°
Non-linearity	0.1% of FS
3-Axis Gyroscope
Measurement Range	±250 °/s
Bias Instability (Allan)	4.5 °/h
Angular Random Walk (Allan)	0.25 °/sqrt(h)
Bias Stability (10s mean)	8.5 °/h
Gyro Bias (@ -10°C ~ +65°C)	±0.25 °/s (RMS)
3-Axis Accelerometer
Measurement Range	±4 g
Resolution	0.001 g
Accuracy	1 mg
Bias Instability (Allan)	0.05 mg
Velocity Random Walk (Allan)	0.015 m/s/sqrt(h)
Bias Stability (10s mean)	0.15 mg

Features

Sensor configuration: This 9-axis IMU module integrates triple-axis accelerometer, gyroscope, and magnetometer for comprehensive motion data.
Algorithm performance: Advanced AHRS IMU module employs dynamic attitude algorithms with real-time temperature compensation.
Output capability: System supports 200Hz output frequency and TTL communication for high-speed data transmission.
Calibration technology: Modules undergo dynamic turntable calibration, ensuring high accuracy and strong anti-magnetic interference capability.
Physical design: This small MEMS IMU module features a small size and light weight for space-constrained applications.
Software support: Includes PC software and technical support for simplified integration and development.
Stability performance: Delivers high precision, excellent stability, and robust interference resistance in demanding environments.

Dimension

IMU module size

Pin Definition/Coordinates

IMU module pin definition and coordinates

Application

IMU module application

Tips: What's the main advantage of ATO IMU module over simpler motion sensors?

Unlike basic tilt sensors or raw accelerometers, this industrial IMU module for robotics, gimbals and agricultural machinery fuses multiple sensor types to create a complete 3D picture. It intelligently corrects for errors that each sensor type has on its own, delivering a stable and drift-corrected output that doesn't require constant recalibration.

Existing reviews of High Precision Inertial Measurement Unit (IMU) Module

Compact size and light weight

I’ve been using this high-precision IMU module for a drone stabilization project, and I’m extremely impressed with its performance. The 3D orientation data is stable and highly accurate — the tilt accuracy within 0.5° really shows in precise motion tracking. It handles vibration and shocks without any drift, and the IP65 protection makes it reliable even in rough outdoor conditions. Despite its compact size and light weight, it delivers professional-grade performance. Perfect for robotics, UAVs, or any application that needs precise motion sensing!

From: Leo | Date: 10/11/2025

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