Video Extensometer Overview

The Video Extensometer is an advanced, non-contact extensometer designed for precise measurement of strain during material testing. Using video-based technology, it provides high-accuracy strain data by tracking the movement of markers placed on a specimen’s surface during tension, compression, or flexural testing with universal testing machines. This extensometer is particularly useful in research and quality control applications, where traditional contact-based extensometers may not be suitable due to specimen characteristics or the need for high-precision measurements.

The Video Extensometer works by capturing high-resolution video footage of the specimen in real-time, analyzing the movement of distinct markers placed along the specimen’s length. This allows it to measure both axial and transverse strain without physically contacting the specimen, making it ideal for soft, thin, or delicate materials that could be damaged by traditional extensometer grips.

This extensometer provides several key benefits, such as high accuracy, the ability to measure large areas of deformation, and real-time strain analysis. It is compatible with a wide range of materials, including metals, plastics, composites, rubber, and even biological specimens, making it suitable for various industries, including aerospace, automotive, research, and materials science.

The Video Extensometer is equipped with sophisticated software that processes the video footage and calculates strain values with minimal user intervention. The software provides real-time feedback, enabling the user to monitor material behavior during testing and making it easier to conduct detailed post-test analyses. It also helps in detecting microstructural changes during testing, which are often missed by traditional contact-based methods.

Easy to install and integrate with most universal testing machines, the Video Extensometer enhances testing flexibility and accuracy. It is particularly effective for tests requiring high precision, such as evaluating material failure mechanisms or performing tests at high speeds.

For more information on the Video Extensometer, customization options, and universal testing machine price, contact us today.

Video Extensometer Features

High-Precision Strain Measurement: The Video Extensometer utilizes advanced optical technology to provide highly accurate strain measurements without physical contact with the specimen. This non-contact method ensures precision while preventing any interference or damage to the sample during testing.
Real-Time Data Acquisition: Equipped with high-resolution cameras, the extensometer captures video footage during material testing and converts the images into precise strain measurements in real-time, ensuring accurate and timely data collection.
Wide Measurement Range: The Video Extensometer can measure strain over a broad range, from small deformations to large displacements, making it suitable for testing both ductile and brittle materials.
Non-Contact Operation: Unlike traditional extensometers, the video extensometer does not physically touch the specimen, eliminating errors caused by contact-based measurement systems and ensuring the specimen’s integrity throughout the test.
Advanced Image Analysis: The system uses sophisticated image analysis algorithms to track surface movement and calculate strain values with exceptional accuracy, offering detailed insights into material behavior during tensile or compression testing.
Versatile Application: Suitable for a wide variety of materials including metals, plastics, polymers, composites, and textiles, making it applicable across various industries like aerospace, automotive, and materials science.
Integration with Universal Testing Machines: Seamlessly integrates with universal testing machines, providing synchronized measurement and data collection, and allowing for real-time monitoring and control of the test process.
High-Speed Data Collection: Capable of capturing high-speed strain data, the Video Extensometer is ideal for dynamic and high-rate testing, offering accurate results even during rapid deformations or impact testing.
Compact and Flexible Design: Despite its advanced functionality, the extensometer is compact and flexible, fitting easily into most test setups and accommodating different specimen shapes and sizes.
Enhanced Measurement Accuracy: The video system minimizes human error by automating the strain measurement process, providing highly accurate and repeatable results for each test.
Wide Field of View: Features a broad field of view, which allows for monitoring large specimens or multiple points of strain, ideal for analyzing complex material behaviors during testing.
Ease of Use: The video extensometer is user-friendly, with simple setup and operation, making it an excellent tool for both experienced researchers and those new to material testing.
Compliance with Industry Standards: The Video Extensometer meets or exceeds industry standards for strain measurement, ensuring that the data collected is reliable and can be used for regulatory compliance and high-quality research.
Low Maintenance: As a non-contact system, the extensometer has minimal wear and tear, resulting in lower maintenance costs and a longer lifespan compared to traditional mechanical extensometers.

The Video Extensometer is an innovative, non-contact solution for high-precision strain measurement, offering advanced capabilities for a wide range of testing applications and seamlessly integrating with universal testing machines for accurate and reliable data.

Video Extensometer Specifications:

Measurement Range: Suitable for both small and large strain measurements across a variety of sample sizes.
Accuracy: High precision with an accuracy of ±0.5% of reading, ensuring accurate strain measurement.
Resolution: Capable of measuring fine strain with high resolution, typically down to 0.0001mm.
Measurement Method: Non-contact video-based measurement system using high-speed cameras and software to track sample deformation.
Gauge Length: Configurable gauge lengths, typically from 10mm to 200mm, to accommodate different sample sizes and testing requirements.
Compatibility: Works with a wide range of materials, including metals, polymers, composites, and ceramics.
Temperature Range: Suitable for use in a wide range of temperature conditions, including testing under environmental chambers.
Software: Includes specialized software for real-time data acquisition, analysis, and reporting, with the ability to track multiple points on the sample simultaneously.
Mounting: Non-contact setup, which eliminates any potential interference with the sample, ensuring more accurate readings.
Non-Contact Measurement: Uses video tracking technology, ensuring accurate measurements without physical contact, ideal for fragile or small samples.
High Precision: Provides detailed strain measurements with high resolution, essential for precise material characterization.
Real-Time Data Analysis: Software integration allows for real-time visualization of the strain data, enhancing testing efficiency.
Wide Temperature Compatibility: Suitable for use in extreme temperature conditions, making it versatile for both room temperature and high-temperature applications.
Ideal for tensile and deformation testing of materials in industries like aerospace, automotive, materials science, and research labs.
Useful for testing films, fibers, and other materials where non-contact measurement is crucial.
Excellent for applications requiring continuous strain monitoring and precise data over a range of test conditions.
The Video Extensometer offers a cutting-edge solution for testing materials with high accuracy and versatility, making it an essential tool in advanced materials testing and research.

Applications for Universal Testing Machines (UTMs):

Tensile Testing of Metals: The Video Extensometer is widely used in the tensile testing of metals such as steel, aluminum, and titanium. It offers precise measurements of strain, even at high elongation, without physically touching the specimen, ensuring accurate data on ductility, yield strength, and strain hardening.
Polymer and Plastic Testing: Used to test polymers and plastics, the Video Extensometer helps measure elongation, strain distribution, and necking behavior during tensile tests. This is especially useful in the automotive, packaging, and consumer goods industries.
Composite Material Testing: The Video Extensometer is ideal for measuring strain in composite materials like carbon fiber and glass fiber during tensile or flexural testing. It ensures accurate data for evaluating interlaminar shear strength and fiber alignment in industries like aerospace and automotive.
Rubber and Elastomer Testing: In rubber and elastomer testing, this extensometer is used to measure large elongations without contact, which is essential for determining elastic modulus, tensile strength, and resilience of rubbers used in automotive or industrial applications.
Textile and Fiber Testing: Used for textile testing, the Video Extensometer measures stretchability and strength of fibers and fabrics. Its non-contact measurement makes it especially useful for testing delicate materials where traditional extensometers might cause damage.
Biomaterials and Medical Devices Testing: The Video Extensometer is used to evaluate the strain and deformation of biomaterials, medical implants, and prosthetic devices during mechanical tests. It provides a non-contact method to evaluate stress-strain behavior without affecting the test specimen.
Foam and Packaging Material Testing: In testing foams and packaging materials, the Video Extensometer helps in measuring elongation and compression properties of materials under stress, which is essential for evaluating the performance and durability of packing and insulation materials.
Geotechnical Material Testing: This extensometer is also used in geotechnical testing to measure deformation in soils and rocks under load, providing valuable data on the compressibility and strain characteristics in geotechnical engineering.
Concrete and Cement Testing: In concrete testing, the Video Extensometer measures strain in concrete beams and slabs to evaluate their bending and crack propagation behavior under stress. This helps ensure that structural concrete materials meet required standards for building and construction.
Structural Testing of Components: The Video Extensometer is employed for testing structural components like beams, welds, and joints under various loading conditions. It helps assess the strain and deformation without the need for direct contact, thus preserving the integrity of the specimen during tests.

Advantages of Video Extensometer:

Non-Contact Measurement: Provides accurate strain readings without making contact with the test specimen, ensuring that delicate materials are not influenced by the measurement process.
High Precision: Uses high-resolution video cameras for precise tracking of markers on the specimen’s surface, providing accurate deformation data.
Large Strain Measurements: Capable of measuring large strains and elongations, especially in materials that undergo significant deformation under load, such as rubber, textiles, and plastics.
Versatile Application: Suitable for a wide range of materials, from metals and composites to rubbers and biomaterials, making it highly adaptable to various industries.
Easy Integration with UTMs: Seamlessly integrates with Universal Testing Machines (UTMs) for streamlined testing processes and real-time data collection.
Real-Time Data Capture: Offers continuous, real-time data collection, allowing immediate analysis of material behavior during testing.
Minimizes Interference: Ideal for materials that may be sensitive to contact-based measurement systems, ensuring reliable results without influencing the specimen.

Industry Applications:

Aerospace Industry: Ensures the durability and strength of composite materials and metal alloys used in aircraft and spacecraft components.
Automotive Industry: Tests rubbers, plastics, and composites for strength, flexibility, and long-term performance under operational stresses.
Medical Device Industry: Non-contact measurement of biomaterials, implants, and medical devices ensures their performance meets patient safety standards.
Textile Industry: Provides accurate elongation data for fabrics and fibers, ensuring quality control in textile production.
Packaging and Consumer Goods: Measures the tensile strength and deformation properties of plastics, foams, and films used in packaging.
Construction and Structural Engineering: Used for bending and crack propagation analysis in concrete, steel, and ceramic materials used in construction.

The Video Extensometer is an essential tool in the field of material testing. Its non-contact measurement capabilities, combined with high precision, make it ideal for industries where accurate, real-time strain measurements are required, such as aerospace, automotive, biomedical, and construction. This extensometer ensures reliable and consistent performance during testing, contributing to the development of safer, stronger, and more durable materials across a wide range of applications.

1. What is an Video Extensometer?

The Video Extensometer is an advanced optical device used to measure the strain of materials during tensile testing. It uses high-resolution cameras and image processing technology to track and measure the deformation of a specimen in real-time, capturing both longitudinal and transverse strains without direct contact with the specimen.

2. How does the Video Extensometer work?

The Video Extensometer operates by using a high-speed camera to capture images of the specimen during a tensile test. The camera records the displacement of markers or grids placed on the specimen’s surface, and through image analysis software, the system calculates the strain. This allows for precise measurement of both elongation and lateral deformation during testing.

3. What materials can be tested using the Video Extensometer?

The Video Extensometer is highly versatile and can be used to test a wide variety of materials, including:

Metals (steel, aluminum, titanium)
Polymers
Composites
Elastomers
Ceramics
Textiles

Plastics
It is particularly beneficial for testing materials that are difficult to grip with traditional extensometers or where non-contact measurement is preferred.

4. What are the advantages of using the Video Extensometer?

Advantages of the Video Extensometer include:

Non-contact measurement, reducing the risk of specimen damage.
High precision and accuracy in measuring both longitudinal and transverse strain.
Fast data acquisition, providing real-time results during testing.
Versatility for testing a wide range of materials, especially fragile or flexible specimens.
Ease of use, with minimal setup and easy integration with tensile testing machines.

Improved accuracy for elongation and deformation measurement over traditional mechanical extensometers.

5. How do I set up the Video Extensometer?

To set up the Video Extensometer:

Position the camera in front of the specimen so that it can clearly capture the deformation during testing.
Apply markers or a grid pattern on the specimen’s surface if required.
Connect the camera system to the testing software, which will handle the image processing and data collection.
Calibrate the system according to the material’s dimensions and the type of test.
Start the tensile test, and the system will automatically measure strain as the specimen deforms.

6. Can the Video Extensometer be used for cyclic testing?

Yes, the Video Extensometer is capable of handling cyclic testing where the material undergoes repeated loading and unloading cycles. It can accurately measure strain during each cycle, making it suitable for fatigue testing and materials that will be subjected to repetitive stresses.

7. What is the strain measurement range of the Video Extensometer?

The Video Extensometer can measure a wide range of strains, typically from small elongations in materials to large deformations, depending on the material and testing conditions. It is capable of capturing strain measurements from less than 0.1% to several percent, ensuring precision for both ductile and brittle materials.

8. What industries use the Video Extensometer?

The Video Extensometer is used in numerous industries for high-precision strain measurements, including:

Aerospace (for testing aircraft materials and components)
Automotive (for testing components under stress)
Polymers and plastics (for testing the elongation of films and other products)
Composites (for measuring strain in multi-layered materials)
Textiles (for measuring fabric stretch and deformation)
Biomedical (for testing biomaterials like sutures and implants)

R&D labs (for various experimental testing applications).

9. What are the key features of the Video Extensometer?

Key features of the Video Extensometer include:

Non-contact strain measurement for high accuracy without interfering with the specimen.
High-definition camera for clear, real-time image capture.
Advanced image processing software that tracks markers and calculates strain.
Real-time data acquisition that provides immediate strain measurements during tests.
Wide strain range for both small and large deformations.

Minimal specimen preparation compared to other extensometer types.

10. What is the warranty for the Video Extensometer?

The Video Extensometer typically comes with a one-year warranty against manufacturing defects. Extended warranty options may be available depending on the specific model and customer needs.