Axial Extensometers with 50 mm (2 in.) Gage Length

These long-travel axial extensometers are ideal for test applications that require measurement with a 50 mm (2 in.) gauge length. They are well-suited for tensile testing of plastics, rubber, and elastomers.

Key benefits

  • Long travel and mechanical stops enable you to leave it on the specimen through failure without damaging the unit.
  • Activation forces as low as 30 g prevent specimen damage without slipping.
  • Select the -21 or -51 model for cryogenic testing down to -269°C (-452°F)
  • All part numbers include hardened knife edges, quick attachment fixtures for flat and round specimens, and standard elastic attachment kits.
  • They exceed requirements for calibration according to ASTM E83 Class B1 and ISO 9513 Class 0.5 standards.


  • Tension
  • Compression

Test Specimens

  • Composites
  • Plastics
  • Rubber

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