Spot-weldable vibrating wire sensor for measuring strain in steel structures, struts, and piles.
Our team is currently capturing high-res assets for this product.
Spot-weldable vibrating wire sensor for measuring strain in steel structures, struts, and piles.
The Geolook Arc Weldable Vibrating Wire Strain Gauge is engineered for the long-term monitoring of steel members. Unlike embedment gauges, this unit is designed to be attached directly to the surface of structural steel, such as bridge girders, tunnel struts, or sheet piles. The gauge features two mounting blocks that are spot-welded to the steel surface. The vibrating wire element is then tensioned between these blocks. This 'weld-on' approach ensures an incredibly rigid and permanent connection, allowing the sensor to record the most minute deformations in the steel with high repeatability and zero creep.
Explore the device from every angle
High-resolution shots of this product are currently being processed.
In industrial environments, adhesives can fail due to moisture, vibration, or chemical exposure. The G77-V160 uses a spot-welding technique where two small steel blocks are fused directly to the parent structure.
This creates a zero-slip interface. Every micron of movement in the steel structure is transferred perfectly to the vibrating wire, making it the most reliable method for measuring strain in high-stress steel components over several decades.
A unique feature of the G77-V160 is the separate protective housing and coil. While the mounting blocks and wire are welded to the structure, the electromagnetic coil (the part that plucks the wire) is housed in a clip-on cover.
If a cable is cut or a coil fails during construction, it can be replaced in minutes without having to grind off the welds or replace the entire sensor, significantly reducing long-term maintenance costs.
Steel is highly sensitive to temperature changes (thermal expansion). Without compensation, a sensor might show a 'load' simply because the sun is shining on a bridge girder.
By using the built-in thermistor, engineers can apply correction formulas to subtract the thermal expansion of the steel from the raw reading. This leaves only the 'Mechanical Strain'—the actual deformation caused by traffic, wind, or structural loading.
The installation process is non-destructive to the structural integrity of the steel. The spot welds are small and localized, requiring only a portable capacitive discharge welder. This makes the G77-V160 suitable for use on active bridges and high-pressure pipelines where traditional heavy welding is prohibited.
In industrial environments, adhesives can fail due to moisture, vibration, or chemical exposure. The G77-V160 uses a spot-welding technique where two small steel blocks are fused directly to the parent structure.
This creates a zero-slip interface. Every micron of movement in the steel structure is transferred perfectly to the vibrating wire, making it the most reliable method for measuring strain in high-stress steel components over several decades.
Steel is highly sensitive to temperature changes (thermal expansion). Without compensation, a sensor might show a 'load' simply because the sun is shining on a bridge girder.
By using the built-in thermistor, engineers can apply correction formulas to subtract the thermal expansion of the steel from the raw reading. This leaves only the 'Mechanical Strain'—the actual deformation caused by traffic, wind, or structural loading.
A unique feature of the G77-V160 is the separate protective housing and coil. While the mounting blocks and wire are welded to the structure, the electromagnetic coil (the part that plucks the wire) is housed in a clip-on cover.
If a cable is cut or a coil fails during construction, it can be replaced in minutes without having to grind off the welds or replace the entire sensor, significantly reducing long-term maintenance costs.
The installation process is non-destructive to the structural integrity of the steel. The spot welds are small and localized, requiring only a portable capacitive discharge welder. This makes the G77-V160 suitable for use on active bridges and high-pressure pipelines where traditional heavy welding is prohibited.
We are currently updating the specific model configurations and technical datasheets for this product category.