Non-Contact Strain Measurement for Advanced Material Testing

The BESMAK Video Extensometer Testing Machine eliminates the limitations of traditional clip-on extensometers by measuring strain optically. This innovative system provides precise and repeatable data while improving specimen safety, reducing setup time, and enabling testing of delicate, large, or irregular specimens.

 

 

H2 Key Features of the Video Extensometer Testing Machine

 

Non-Contact Digital Image Correlation Technology

Measures strain and deformation without touching the specimen, ensuring accurate and reliable results.

 

Real-Time Strain Measurement

Provides live strain data during tensile, compression, bending, torsion, and fatigue tests.

 

Standard Gauge Length up to 240 mm

Optional configurations are available for shorter or longer gauge lengths.

 

Adjustable Data Acquisition Rate

Selectable frequencies from 75 Hz to 200 Hz for different test speeds.

 

Axial and Transverse Strain Measurement

Measures both longitudinal and radial strain, including necking detection.

 

Torsion Testing Capability

Measures angular deformation without contact.

 

Integrated LED Illumination

Provides stable and uniform lighting for high-accuracy image capture.

 

Expandable Modular Design

Multiple camera modules can be combined to increase the measuring range.

 

User-Friendly Software Interface

Supports setup, calibration, real-time visualization, and data export.

 

High Measurement Accuracy

Complies with ISO 9513 Class 1 and optional Class 0.5 accuracy, as well as ASTM E83 Class B-1.

 

 

 

Applications of the Video Extensometer Testing Machine

 

Tensile Testing

Compression Testing

Bending and Flexural Testing

Shear Testing

Torsion Testing

Fatigue Testing

Composite Material Testing

Rubber and Elastomer Testing

Metal and Plastic Testing

 

 

 

Technical Specifications

Measurement Technology

Digital Image Correlation (DIC)

 

Gauge Length

Up to 240 mm standard

 

Acquisition Frequency

75 Hz to 200 Hz

 

Supported Standards

ISO 9513 and ASTM E83

 

Measurement Types

Axial, transverse, and angular deformation

 

Data Export Formats

Multiple digital output formats

 

 

 

Benefits of Using a Video Extensometer Testing Machine

 

No Specimen Contact

No Risk of Extensometer Damage

Higher Testing Accuracy

Faster Test Setup

Suitable for Fragile and Large Specimens

Reduced Maintenance Requirements

 

 

 

Compatible Testing Machines

 

Universal Testing Machines

Servo Hydraulic Testing Machines

Fatigue Testing Machines

Torsion Testing Machines

 

 

 

Why Choose BESMAK?

 

30+ Years of Engineering Experience

BESMAK manufactures advanced testing systems trusted by laboratories and manufacturers worldwide.

 

Export to 75+ Countries

Our machines are used by universities, research centers, and industrial companies around the globe.

 

Advanced Optical Measurement Technology

Combines precision optics, software, and automation for reliable strain analysis.

 

Global Technical Support

Professional installation, training, and after-sales service.

 

 

 

Frequently Asked Questions

 

What is a Video Extensometer Testing Machine?

A non-contact optical system used to measure strain and deformation during material testing.

 

How does a video extensometer work?

It uses Digital Image Correlation (DIC) to track surface movement and calculate strain in real time.

 

Which tests can be performed?

Tensile, compression, bending, torsion, fatigue, and shear tests.

 

Which standards are supported?

ISO 9513 and ASTM E83.

 

Can it replace clip-on extensometers?

Yes, it provides more flexible and accurate non-contact strain measurement.

 

 

 

Request a Quote for Video Extensometer Testing Machine

Contact BESMAK today to receive technical specifications, pricing, and customized solutions for your non-contact strain measurement applications.