Small force torque sensor with EtherCAT on a meca500 robot with gripper

Rokubi EtherCAT

The smallest force-torque sensor with EtherCAT 

Technical Specifications

​At 120 grams, the Rokubi EtherCAT is the smallest force-torque sensors on the market with EtherCAT.

The compact housing includes embedded advanced force-torque sensor electronics, 6-DoF IMU, temperature sensors, and software integration with ROS, LabVIEW, MATLAB®.

> Range (Fxy, Fz, Mxy, Mz)

700 N, 1200 N, 15 Nm, 15 Nm


Degree of protection


Size (Diameter x Height)




Communication Interface

> Overload (Fxy, Fz, Mxy, Mz)

2500 N, 4500 N, 35 Nm, 40 Nm

> Noise free resolution at 1000 Hz

0.25 N, 0.2 N, 0.008Nm, 0.004Nm



Its EtherCAT output can deliver up to 1000 Samples per second. It is integrated with a 6-DoF IMU, Temperature sensors, IP67 and a big range of power supply from 7 to 70 V

  • An ultra-lightweight force torque sensor

  • Open-source software for ROS, Matlab, LabView 

  • Access to embedded filtering, resolution & sampling rate options

  • Direct force and torque data in N and Nm

  • Gravitational and inertial force-torque disturbance compensation

  • Integrated electronics including inertial and temperature sensing

  • Ultra-low-noise signal at up to 1000 Hz measurements

  • Wide power supply range of 7-70 V

  • CE compatible

  • Dust and water-resistant

  • EMI Immunity

  • Overload protection

  • Multiple mounting options

  • Compatible with Mecademic meca500 

the meca500 robot by Mecademic with Bota Systems Rokubi force torque sensor applied

Compare EtherCAT to Serial


Force Torque Applications

The Rokubi EtherCAT is an industrial and premium lightweight 6-Axis Force Torque Sensor integrated with IMU for advanced applications in automation and advanced robotics.

robotic assistend surgery icon in white

Robotic Assisted Surgery

force torque sensing micromanipulation symbol in white


UAV symbol in white
assembly icon in white




Small Rokubi EtherCAT force torque sensor wireframe illustration
  • Accurate measurements

  • High-frequency communication with EtherCAT

  • Low-cost all in one device

  • Inertial tool estimation with it's integrated IMU

  • Auto tool calibration

  • Orientation estimation

  • Can operate in extreme environments

  • High stiffness structure in a compact package

  • Overload protection

  • Multiple mounting options

  • Axial and side cable output configuration options


''Reliable and easy to integrate mechanically and electrically, as well for the programming interface.''

     -Dr. Mohamed Bouri