Ultra-compact, high-precision industrial 6-axis IMU sensor "LPMS-U3" series

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LPMS-U3 (CU3/URS3/UTTL3) / LP-RESEARCH

last updated：Apr 14, 2026

LP-RESEARCH

Official site

Ultra-compact design with a 3.5cm square. Achieves both IP67 waterproofing and high-performance attitude output. Compatible with ROS/ROS2, making it ideal for integration into robots.

"Ultra-compact design with a size of 3.5cm square. Achieving top-level posture measurement in limited spaces." The LPMS-U3 series is a 6-axis inertial measurement unit that pursues an extremely compact size of approximately 3.5cm square while maintaining high performance as an industrial IMU. - Compact and lightweight design enhances embedded flexibility With its compact size that fits in the palm of your hand, it is ideal for installation in tight spaces such as small drones, robotic hands, and various wearable devices. It also features IP67 waterproof and dustproof performance with an aluminum housing, ensuring stable operation even in harsh outdoor environments or dusty conditions. - Equipped with the unique "Core Fusion Engine" algorithm Despite its size, it includes a high-performance Kalman filter equivalent to that of higher-end models. It outputs precise roll, pitch, and yaw angles with low latency, even during intense movement and vibration. - Engineer-friendly design reduces development time Various interfaces such as USB, UART, and TTL can be selected. It officially supports Linux and ROS/ROS2 drivers, allowing for smooth integration into autonomous robots and automatic control systems.

Related Link - https://www.lp-research.com/ja/product/inertial-me…

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basic information

【Sensor Measurement Performance】 - Measurement Items: 3-axis acceleration, 3-axis gyro, attitude angle (Euler angles/Quaternions) - Sampling Rate: Up to 400Hz - Attitude Angle Accuracy: Static accuracy < 0.5° / Dynamic accuracy < 2.0° 【Physical and Communication Specifications】 - Dimensions: Approximately 35mm × 35mm × 15mm (slight variations depending on the model) - Communication Standards: USB / UART / TTL / RS232 - Protection Rating: IP67 (waterproof, dustproof, shock-resistant) - Operating Temperature: -40℃ to +80℃ 【Development Environment】 - Supported OS: Windows, Linux (Ubuntu), Android - Libraries: C++, Python, drivers compatible with ROS/ROS2 provided

Price information

*The amount will vary depending on the quantity, so please contact us if you need more than 50 pieces.

Price range

Delivery Time

※Typically, if the items are in stock, delivery can be made approximately 3 to 10 days after the order is confirmed. If a specific type of interface or special customization is required, the delivery time may vary. If you need it urgently or would like to discuss volume discounts, please feel free to contact us through the "Contact Us" section.

Applications/Examples of results

[Main Implementation Examples] - Small autonomous mobile robots (AMR): Real-time monitoring of body posture in ROS/ROS2-based control systems. - Robot arms and end effectors: High-precision feedback control of complex behaviors through integration at the tip. - Drones and unmanned aerial vehicles (UAV): Achieving flight stabilization and gimbal control simultaneously while keeping the aircraft weight low. - Wearable motion analysis: Motion measurement that digitizes human body and limb movements (sports and medical rehabilitation). - Industrial camera stabilizers: Maintaining horizontal stability and vibration correction for cameras mounted on moving bodies. - AR/VR headsets: Enhanced immersion through high-precision head tracking.