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videoXtens 1-270

Non-contact strain measurement for high extensions Download
Max. measurement range
  • 140 mm
Temperature range
  • Ambient temperature
  • Up to 250°C
Type of test + change in width
  • Tensile, compression, flexure tests
  • Cyclic tests
  • Change in width measurement
  • Strain distribution
  • Test re-run
  • 2D dot matrix
Material
  • Rubber
  • Elastomers
  • Films
  • Ropes/textiles
  • More

The videoXtens 1-270 HP for high-extension materials

The videoXtens 1-270 covers a wide measurement range and is therefore excellent for high-extension materials or specimens with high initial gauge length.

  • Even specimens prone to whipping or specimens with high break energy can be tested up to break, without damaging the videoXtens.
  • Minimal operator influence and easy operation: the complete system is optimally configured for these applications; no additional lens adjustments are necessary and scale settings are retained.
  • Unique: through connection to the crosshead, the gauge marks are always automatically centered in the field of view and the measurement range is optimally utilized. Extensions outside the measurement length do not limit the measurement range. There are no blind spots caused by specimen grips.

Typical applications videoXtens 1-270

Typical applications videoXtens 1-270

Elastomer testing to ISO 37, ASTM D412 or DIN 53504
Rope testing (textiles)
Films testing to ISO 527-3

Elastomer testing to ISO 37, ASTM D412 or DIN 53504

  • L0 = 10, 20 or 25 mm.

Specific advantages in the application

  • Connection to the crosshead ensures that the gauge marks are always centered and that the measuring range is optimally used.
  • Unobstructed view of the specimen: no blind spot caused by the specimen grip, since the videoXtens is centrally aligned and tracked.
  • Accuracy Class 1: modulus values can also be determined in the initial measuring range, e.g. stress at 10% strain.
  • Large measuring range.
  • Specimens prone to whipping can be tested without damaging the extensometer.
  • Sensitive specimens are not influenced by knife edges since testing is non-contact.
  • High accuracy even at temperature with ZwickRoell temperature chamber in the range of -55 to +250 °C.
  • The tunnel connection keeps the system closed for tests in a temperature chamber.

Rope testing (textiles)

Specific advantages in this application

  • Connection to the crosshead ensures the gauge marks are always central and optimum use is made of the measuring range.
  • Unimpeded view of the specimen; no blind spot due to specimen grips - videoXtens is centrally aligned and tracked.
  • Accuracy Class 1: modulus values can also be determined in the initial range, e.g. stress at 10% strain.
  • Large measuring range.
  • Specimen whips at break and may damage contact-type systems.
  • Sensitive specimens are not affected by knife-edges - non-contact testing.
  • High accuracy, including at temperature with ZwickRoell temperature chamber in range from -55 to +250°C.
  • Enclosed system - connection via tunnel when testing in temperature chamber.

Films testing to ISO 527-3

Specific advantages in this application

  • Accuracy Class 1 (from measurement travel 0.24 mm at least), allowing modules to be determined in the initial range also.
  • Sensitive specimens are not affected by knife-edges - non-contact testing.
  • Pattern recognition: a pattern is quickly generated over the entire specimen by stippling or stamping.
  • Connection to crosshead ensures the gauge marks are automatically always central and optimum use is made of the large measuring range.
  • Outflow of the film specimens during the test does not restrict the measuring range and does not therefore need to be allowed for.
  • Time-saving for research: no specimens are wasted due to break outside L0. Test Re-Run option and pattern recognition allow L0 to be adjusted retrospectively and the test re-calculated so that the break then lies within L0. Alternative: the strain distribution also included in this option automatically positions L0 around the area of highest strain if multiple gauge marks were placed before the test.

Technical overview

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  • Product information: videoXtens 1-270 PDF 1 MB
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