Bolt Extensometer -- Model 3565
from Epsilon Technology Corp.

This extensometer is a strain gaged unit with small measuring ranges designed for performing proof load testing of bolts and similar applications such as yield measurements. The Model 3565 uses hard conical points to contact the bolt at the center of the head and at the bottom. It is fully... [See More]

  • Application: Tensile; Proof Load Testing
  • Test Temperature: -40 to 212
  • Test Fixture Type: Extensometer
Biaxial Extensometer -- EXT-30-B2
from United Testing Systems, Inc.

Specifically designed to determine Poisson's ratio. Unit weighs only 40 grams. Meets ASTM E-83, Class B-1 and B-2 specifications. High temperature version (up to 350 °F) also available. [See More]

  • Application: Gaging; Poisson's Ratio
  • Test Standard: ASTM
  • Test Fixture Type: Extensometer
Biaxial clip-on extensometer
from Zwick USA

Strain Gage (DMS) Clip-On Extensometers. A strain gage extensometer is a mechanical device which measures strain on a specimen which has been subjected to a load, usually via a materials testing machine. The extensometer is physically attached to the specimen and the measurement of strain is... [See More]

  • Application: Shear or Torsion; Strain
  • Test Standard: ISO
  • Test Fixture Type: Extensometer
  • Stroke / Maximum Opening: 0.9843