Force torque sensors
Rokubi
Compact and Robust 6-Axis Force Torque Sensor
- Compact & impact-resistant design
- Ultra lightweight with high stiffness
- Negligible drift from heat or loading
- ROS, Python, C++ software support
Product Overview
Rokubi 6-Axis Force-Torque Sensor
The Rokubi is a versatile 6-axis Force Torque sensor — the most successful in our lineup — designed to accelerate advanced robotics research. Created to meet the growing demands of robotic locomotion, manipulation, and AI development, it offers an exceptional measuring range in a compact, fully integrated design.
As part of our Generation A family, Rokubi combines our proven sensing technology with our new FTstack™ software and configuration tool for instant setup. It is available in two communication variants — EtherCAT and Industrial — and two range options, offering either high sensitivity or high measuring range. Rokubi integrates seamlessly across diverse systems and is available in ready-to-start kits
Rokubi is ideal for legged robots measuring ground reaction forces, humanoids enhancing bimanual manipulation with tactile feedback, and many other cutting-edge robotic platforms. The Industrial variant supports Ethernet, Modbus, Serial, and USB communication for broad compatibility, while the EtherCAT variant is optimized for EtherCAT networks, enabling precise synchronization and daisy-chaining across multiple devices.
Seamless Integration with Leading Robots
Need a Custom Setup?
We support custom integrations for robots not listed here.
Key Capabilities
Feature list
- Fully integrated, compact weighing only 120grams
- High overload with dust and water protection
- Negligible drift and low latency communication
- High stiffness for unparalled precision
- Native support for Ethernet, Serial, Modbus and EtherCAT protocol with daisy chain.
- Advanced software drivers for ROS, Python, C++
- Payload estimation & compensation software
- 6 DoF IMU accelerometer and gyro data
- Configurable filters, resolution, and update rate
- Wide voltage range, 5-75 V for mobile systems
- Direct force and torque data in N and Nm
- Support for LabVIEW, TwinCAT and MATLAB®
Force Torque Sensing Applications
The Rokubi is a rugged, compact and lightweight 6-axis Force Torque Sensor for applications in aerial and mobile manipulation, medical and rehabilitation robots and legged robotics.
Rehabilitation with robotic systems
- Refine the haptic interaction between patient, therapist and robot
- Consistent and controlled rehabilitation
- Sense for security by patient and therapist
- Quantitative tracking of the progress of the patient
- Accurate diagnostics reports
- Lower costs for physiotherapy
Precision Assembly
- Controlled insertion
- High tolerance assembly
- Assembly quality control
- Increased productivity
UAV Inspection
- Constant force to obtain reliable measurements
- Consistent and repetitive measurements
- Ability to create data for diagnostics
- Reduces exposure in hazardous environmonents
Micromanipulation
- Increased productivity
- High quality production
- Safety critical operation
- Fragile parts manipulation
Robotic Assisted Surgery
- Reduced medical risks
- Sense of safety for the patient and surgeon
- Less post-surgery scars
- Shorter recovery time
- Lower costs per operation
Request a Rokubi Force Torque Sensor Quote
Use Cases
”Great product within design specs”
Sensor Model: Rokubi Serial
Application: Robot-Assisted Mobility/ Measurement of interaction forces between human and robot for analysis and closed-loop control
Dr. Diego Paez
Robotic Systems Lab ETH Zurich Research scientist at EPFL


“We chose to use three Rokubi EtherCAT sensors for our upper-limb exoskeleton due to their small volume and integrated electronics. These features make them easy to incorporate into the design of the exoskeleton. Furthermore, the different connector locations help to integrate the sensor flush into the design. The drift resistance of the sensors is beneficial for use in longer exercises where the arm of the user is continuously connected to the sensor. The inbuilt electronics for EtherCAT communication enable adding sensors in a modular fashion to an existing framework of actuators and sensors. This keeps the flexibility of the system high.”
Sensor Model: Rokubi Serial
Application: Robot-Assisted Mobility/ Measurement of interaction forces between human and robot for analysis and closed-loop control
Yves Zimmermann
Robotic Systems Lab and Sensory-Motor Systems Lab of ETH Zurich






