Video Extensometers

• The Purpose of Video Extensometer is to optically measure the elongation on application of longitudinal tensile force on the test specimen.
• Markers, especially dots, lines or pre designed templates are used to track elongation in real time.
• The markers used should be in contrast with the color of the test specimen.

Advantages over contact type Extensometer

• More accurate results as there is no mechanical influence on the specimen during the test due to the non-contacting camera system.
• Knife edge Slippage errors are omitted.
• Knife edge damage errors are omitted.
• Auto Gauge Length Detection - Consistent results as the human error is eliminated while marking the Gauge length.
• No moving parts - hence, extremely low maintenance costs.
• No possibility of damage due to rupture shocks and jerks - hence, no wear and tear of the Video Extensometer
• Gives you Elongation results upto the sample rupture.
• Extremely easy to use for untrained operators.