DIC Video Extensometer

  • Tire step

  • Metal fracture

  • BOPP

  • Bend

TMSI Video Extensometer is a non-contact, high-precision real-time measure-ment system based on machine vision and image correlation algorithms.  It uses a high-resolution camera and a specialized lighting system to  capture images of an object before and after deformation. Advanced image processing algorithms are then  applied to analyze the images, enabling high-precision full-field strain measurement.


Through tensile testing of polymer materials,  the deformation of materials under tensile stress is studied. Using DIC (Digital  Image Correlation) full-field strain measurement technology, the tensile mechanical properties of the materials are analyzed. By combining  finite element analysis with experi- mental results, measurements of stress, deformation, and displacement occurring during the tensile testing of special materials are conducted, providing a data basis for the study and testing of material mechanical properties.

Non-contact measurement

Suitable for various materials and testing environments

Real-time monitoring

Measurement data visualization, with real-time saving of experimental data, images, and other information; the experimental process is traceable and evaluable

Rich computational capabilities

Supports multiple connection methods with testing machines, with computational capabilities for Poisson's ratio, elastic modulus, crack propagation, and more

The measurement field of view can be freely set

Customizable gauge length, ranging from millimeter-level to several hundred milli- meters, with no impact from corresponding variable measurement errors

Full-fieldstrain measurement

Supports upgrade to DIC 3D functionality, allowing acquisition of full-field infor- mation on displacement, strain, vibration, phase, and morphological changes

Stable and efficient system acquisition

The TMSI video extensometer, paired with high-precision industrial cameras and

lenses, ensures stable image data acquisition; the system is user-friendly and allows for quick setup