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VW Arc-Weldable Strain Gauge
The Sanlien VW Arc-Weldable Strain Gauge is a vibrating wire instrument designed for precise measurement of strain. It consists of a steel cord with two ends fixed on a metal rod. When the metal rod sustains a micro deformation due to external force, the vibration frequency of the steel cord changes proportionally.
Its arc-weldable design allows secure installation on rod elements of steel structures, ensuring reliable performance in demanding environments.
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Product information:
Applications
- Monitoring load distribution in pile tests
- Monitoring areas of concentrated stress in pipes
- Measuring strain in tunnel linings and supports
- Monitoring load in struts used to brace deep excavations
- Monitoring structural members of buildings and bridges during and after construction
Key Features
- High accuracy and long-term measurement stability
- High resolution for precise strain detection
- Compatible with Sanlien DOT series dataloggers
- Waterproof enclosure for use in harsh environments
- Best Suited for struts, tunnel segment and sheet pile walling
Technical Specifications
- Sensor Type: Vibrating Wire Sensor
- Temperature Type: Thermistor
- Measuring Range: 3000 micro-strain
- Temperature Resolution: 0.1°C
- Accuracy: ±0.1% F.S.
- Working Temperature: -30°C to 80°C
- Sensitivity: 1 micro-strain
- Dimension (W x L x H): 21.8 x 164.5 x 21.8 mm
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