The IMETRUM Video Gauge measures strain and displacement on materials, components and structures.

It is a non-contact, video based instrument with applications in material testing, component testing and structural monitoring.

The Video Gauge is frequently used to overcome challenging measurement problems such as high temperature or high-speed material testing.

For straightforward tasks such as batch testing of material properties it offers significant time and cost savings over traditional methods.

Case Study

Measurement of the tensile and compressive properties of small diameter (<0.7mm) carbon fibre rods

The problem

It was necessary to measure the tensile and compressive stress/strain curves to failure, and Poisson's ratio, of a novel type of reinforcing rod, composed of carbon fibres in an epoxy matrix. The rods were only 0.7mm in diameter, and the test gauge length in compression was less than 2mm. Strain gauges or extensometers could not be fitted to such small samples.

The solution

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