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For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
Shipping Term
International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
Shipping Term
International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Original SRI 6-Axis Force Torque Sensor - High Precision for Humanoid Robots
Sunrise Instruments (SRI) is a world-leading manufacturer of multi-axis force sensors. Their 6-axis force/torque sensors are specifically engineered for demanding robotic force control tasks. Using advanced strain bridge technology and precision decoupling algorithms, SRI sensors provide real-time calculation of forces and torques across three-dimensional space.
Building on decades of experience in the auto-crash testing industry—where precision is paramount—SRI sensors excel in humanoid robot joint control, intelligent floating grinding, and aerospace testing. SRI has become a strategic partner for major robot manufacturers worldwide by offering high-end performance as a reliable alternative to Western brands.
Product Highlights
Exceptional Cost-Performance: Delivers performance comparable to top international brands at a significantly lower acquisition cost.
Specialized Humanoid Models: Features the M37 and M38 series—ultra-light and low-profile designs optimized for humanoid ankle balance and wrist manipulation.
Superior Decoupling Accuracy: Proprietary static and dynamic calibration algorithms ensure minimal crosstalk and highly reliable measurement data.
Intelligent Integrated Modules: Select models support built-in digital output (EtherCAT, CAN, RS485), providing direct physical units and simplifying integration.
Industry-Wide Versatility: A comprehensive model range spanning from 10mm medical-grade micro-sensors to industrial units with multi-ton capacities.
iGrinder® Smart Ecosystem: Seamlessly integrates with SRI's iGrinder® floating heads for complete closed-loop automated grinding solutions.
Core Parameter Table (Key Series)
Model (Series)
Dia (mm)
Height (mm)
Force Range (Fx, Fy, Fz)
Torque Range (Tx, Ty, Tz)
Typical Application
M37
35 - 50
15 - 20
±200 N to ±1000 N
±10 Nm to ±50 Nm
Humanoid Ankle/Wrist
M38
70 - 110
25 - 35
±500 N to ±2000 N
±50 Nm to ±200 Nm
Cobots, Precision Assembly
M35
15 - 30
10 - 15
±10 N to ±100 N
±0.5 Nm to ±2 Nm
Micro-ops, Bio-engineering
M43
80 - 120
30 - 45
±2000 N to ±8000 N
±200 Nm to ±800 Nm
Auto-crash, Heavy Robots
M33
120+
50+
±10,000 N+
±1,000 Nm+
Wind Power & Aero Testing
Application Fields
Humanoid Robotics: Foot-end force sensing for gait balance control and tactile feedback for dexterous hand operations.
Intelligent Grinding & Polishing: Used with the iGrinder® system to achieve surface finishing under constant pressure on complex surfaces.
Automotive Crash Testing: Analyzing impact forces on dummy models and vehicle structures (SRI holds a leading global position in this field).
Medical Surgical Assistance: Micro-sensors used in surgical tools to perceive tissue resistance and enhance surgical safety.
Aerospace & Defense: Wind tunnel testing, payload distribution analysis, and space robotic arm docking experiments.
Frequently Asked Questions
Q: What are the advantages of SRI compared to ATI (USA)?
A: SRI offers greater flexibility in range coverage and customization speed, with faster technical response and after-sales support in Asia-Pacific, combined with extreme cost-effectiveness.
Q: Are the products officially calibrated?
A: Yes. Every SRI sensor is calibrated on a professional multi-axis force calibration platform before shipping. An official Calibration Certificate with matrix coefficients is provided.
Q: How do I use SRI sensors in my control system?
A: We provide specialized Interface Boxes supporting major communication protocols. For developers, we also provide SDKs for C++/Python and ROS drivers.
Q: What is the overload capacity?
A: SRI sensors are designed with a safety overload factor of over 300%. During normal use, minor collisions caused by programming errors will not damage the sensor.
Q: What is the typical lead time?
A: Standard industrial series are often in stock or ship within 2-3 weeks. Specialized low-profile models for humanoid robots typically have a lead time of 4-6 weeks.
