Multi-Axis Strain Gauge Rosette Assemblies for Complex Load Analysis
Overview
Trusted Multi-Directional Strain Measurement Solutions
Core Components
Hardware Products (from GAO Tek & GAO RFID)
GAO Tek Triple-Grid Foil Strain Rosette Sensor
Captures orthogonal and diagonal strain data for advanced stress analysis in metals, composites, and polymers.
GAO Tek Surface-Mount Rosette Gauge
Designed for smooth or curved surfaces; ideal for automotive, aerospace, and fatigue-critical applications.
GAO RFID Wireless Strain Monitoring Transducer
Enables real-time wireless acquisition of multi-axis strain data in field applications.
GAO RFID Data-Linked Strain Rosette Module
Integrated with RFID readers for passive or active strain monitoring over extended distances.
Software and Systems
GAO Tek Multi-Channel DAQ Software
Collects and synchronizes strain data across three axes for simultaneous real-time display and post-processing.
GAO RFID IoT Gateway and Cloud Integration
Connects rosette sensors to remote dashboards, enabling long-term monitoring, alerts, and performance tracking.
Key Features and Functionalities
- Multi-Axial Strain Measurement:Accurately captures strain along 0°, 45°, and 90° orientations from a single surface point.
- High Accuracy and Linearity:Provides precision measurements even under complex or dynamic loading conditions.
- Flexible Mounting Options:Supports adhesive bonding, encapsulation, or embedded installation on metals, concrete, or composites.
- Customizable Configurations: Choose from stacked or planar layouts, grid lengths, and resistance values based on testing needs.
- Data Synchronization: Interfaces with DAQ systems for clean, simultaneous capture of strain across all grids.
Compatibility
- Data acquisition systems (DAQ)
- Analog and digital strain indicators
- SCADA, PLC, and Modbus networks
- Wireless telemetry and IoT platforms
- Structural health monitoring dashboards

Applications
- Principal stress analysis in steel, aluminium, and composite structures
- Fatigue testing in aerospace, automotive, and marine components
- Quality assurance in pressure vessel and turbine design
- Validation of computer-aided simulations (FEA, CFD)
- Load path analysis in bridges, tunnels, and civil infrastructure
Industries We Serve
Aerospace & Defence
Automotive & Motorsports
Civil & Structural Engineering
Manufacturing & Machinery
Renewable Energy & Power Systems
Academic and Research Laboratories

Relevant U.S. and Canadian Industry Standards
- ASTM E251
- AASHTO R18
- IEEE 1451
- CSA S6
- MIL-STD-1312-5