Portable Strain Measurement Loggers for Field and Lab Use
Overview
Trusted Mobile Measurement Backed by Proven Technologies
Core Components
Hardware Products (from GAO Tek & GAO RFID)
GAO Tek Rugged Handheld Strain Logger
Designed for tough field environments with IP-rated protection and multi-channel input.
GAO RFID Wireless Strain Logger with Bluetooth Sync
Collects strain readings and transmits wirelessly to nearby tablets or cloud gateways.
GAO Tek Multi-Sensor USB Logger
Supports simultaneous recording of strain, temperature, and acceleration for mobile testing.
GAO RFID Compact Logger with SD Card Storage
Ideal for long-term unattended logging in remote or inaccessible locations.
Software and Systems
GAO Tek Logger Management Software
Enables configuration, download, visualization, and annotation of recorded data.
GAO RFID Mobile App for Field Strain Analysis
Allows wireless access to logger data via phone or tablet for instant field feedback.
GAO Tek DAQ Integration Utility
Connects portable loggers to larger DAQ systems for hybrid testing scenarios.
Key Features and Functionalities
- Multi-Channel Input Support: Record data from multiple strain gauges, thermocouples, or voltage inputs simultaneously.
- Battery-Powered Portability: Long battery life supports extended field deployments without external power.
- Large Internal Storage: High-capacity memory allows continuous high-resolution logging over days or weeks.
- Real-Time and Post-Processing Modes: View live readings or store for post-mission data analysis.
- Rugged Enclosures: Rated for outdoor use with weatherproof, shock-resistant housings.
- Versatile Interfaces: USB, Bluetooth, and SD card options for flexible data retrieval and syncing.
Compatibility
Compatible with
- Quarter, half, and full-bridge strain gauge configurations
- Environmental and mechanical sensors (temperature, vibration, displacement)
- PC-based DAQ and cloud dashboards via export
- Mobile devices (iOS and Android) for field access
Output Formats
- CSV, TXT, JSON, or direct import into analytics platforms like MATLAB or LabVIEW
Applications
- Field strain monitoring of bridges, buildings, and pipelines
- Temporary strain diagnostics during structural retrofits
- Research experiments with mobile setups
- On-road and off-road vehicle structural testing
- Remote inspection of wind turbines and towers
- Load validation for modular construction elements
Industries We Serve
Civil Engineering and Infrastructure
Construction and Heavy Equipment
Automotive and Transportation
Automotive and Transportation
Research and Development Institutions
Smart Cities and Industrial IoT

Relevant U.S. and Canadian Industry Standards
- ASTM E251
- IEEE 1451.5
- CSA Z1006
- ISO 2041
- ANSI/ISA 18.2