Kunwei KWR65-ET Six-Axis Force/Torque Sensor, 65 mm, 1000 Hz for Robotic Force Measurement
Kunwei KWR65-ET Six-Axis Force/Torque Sensor, 65 mm, 1000 Hz for Robotic Force Measurement
Kunwei Sensing
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Overview
The Kunwei KWR65-ET series is a six-axis force/torque sensor for robotic force measurement and load monitoring. Its circular aluminum-alloy body measures 65 mm in diameter and 10.6 mm high, with a 1000 Hz sampling frequency. Three versions—KWR65C-ET, KWR65K-ET and KWR65G-ET—provide different force and torque ranges, supply-voltage requirements and measurement specifications, allowing selection according to the loads and electrical requirements of the installation.
Features
- Measures force along Fx, Fy and Fz and torque about Mx, My and Mz.
- Low-profile circular body with central and peripheral mounting holes and a side cable exit.
- Aluminum-alloy construction with an anodized finish on KWR65C-ET and an electropolished finish on KWR65K-ET and KWR65G-ET.
- All three versions specify 0.03% FS resolution, 1000 Hz sampling and IP64 protection.
- Three selectable versions provide distinct measurement ranges, overload levels, repeatability, accuracy, weight and supply-voltage ranges.
Specifications
| Parameter | Unit | KWR65C-ET | KWR65K-ET | KWR65G-ET |
|---|---|---|---|---|
| Range Fx, Fy | N | 150 | 500 | 2500 |
| Range Fz | N | 300 | 1000 | 5000 |
| Range Mx, My | N·m | 12 | 150 | 200 |
| Range Mz | N·m | 12 | 150 | 100 |
| Diameter | mm | 65 | 65 | 65 |
| Height | mm | 10.6 | 10.6 | 10.6 |
| Material | — | Aluminum alloy | Aluminum alloy | Aluminum alloy |
| Surface treatment | — | Anodized | Electropolished | Electropolished |
| Overload level | % FS | 300 | 200 | 200 |
| Resolution | % FS | 0.03 | 0.03 | 0.03 |
| Repeatability | % FS | 0.1 | 0.5 | 0.5 |
| Accuracy* | % FS | 0.5 | 2 | 2 |
| Weight | kg | 0.08 | 0.19 | 0.19 |
| Protection level | — | IP64 | IP64 | IP64 |
| Working temperature | °C | −10 to 80 | −10 to 80 | −10 to 80 |
| Sampling frequency | Hz | 1000 | 1000 | 1000 |
| Supply voltage* | V DC | 9–24 | 12–48 | 12–48 |
| Listed communication interfaces | — | RS422 / RS485 / MODBUS / CAN / CANFD / TCP / UDP / EtherCAT / USB, etc. | ||
Applications
- Robotic contact-load measurement: Measure forces and moments at a robotic arm or mechanism interface to assess loads during contact and handling tasks. The 10.6 mm body height helps accommodate installations with limited axial space.
- Assembly-load monitoring: Measure forces and torques during positioning or insertion tasks to assess contact loading across six axes. Select the version whose individual force and torque ranges suit the task.
- Force and torque testing: Record multidirectional loading at a 1000 Hz sampling frequency for analysis of mechanical interactions. Use the version-specific resolution, repeatability and accuracy specifications when planning measurements.
Documents
- KUNWEI KWR65 ET Drawing new Series — Drawing (PDF)
- KUNWEI KWR116 Drawing — 116 Drawing (PDF)
- Kunwei KWR63 Series RS485 — User Manual (PDF)
- KUNWEI 6 Axis Force Sensors Selection — Manual (PDF)
- KUNWEI KWR75 RS422 — User Manual (PDF)
FAQ
How do the three measurement-range options differ?
KWR65C-ET provides 150 N Fx/Fy, 300 N Fz and 12 N·m on all torque axes. KWR65K-ET provides 500 N Fx/Fy, 1000 N Fz and 150 N·m on all torque axes. KWR65G-ET provides 2500 N Fx/Fy, 5000 N Fz, 200 N·m Mx/My and 100 N·m Mz. KWR65G-ET therefore has the highest force ranges, but KWR65K-ET has the higher Mz range.
Do all versions use the same power supply?
No. KWR65C-ET specifies 9–24 V DC, while KWR65K-ET and KWR65G-ET specify 12–48 V DC.
Visual Details
Product Views
Dimensions and Construction
Application Examples
