Averaging, Bi-Axial and Axial/Torsional Extensometers

Measures average axial strain. Features self-setting gauge length.

Gauge Lengths: 10 – 50 mm
Measuring Ranges: ±0.5 mm, ±1 mm, +2.5 mm
Temperature Range: -270 °C to 200 °C with -LHT option
Key Features: Self-setting gauge length, compact

A single integral unit provides simultaneous, averaged lateral (transverse) strain and averaged axial strain measurement.

Gauge Lengths: 10 – 50 mm
Specimen Size: Up to 50 mm width or diameter with optional adapters
Measuring Ranges: ±5% and ±10% axial; ±1.0 mm transverse
Temperature Range: -270 °C to 200 °C with -LHT option
Key Features: Axial-transverse biaxial extensometer measures Poisson’s ratio with average of two measurements

Designed for simultaneously measuring axial and torsional deflections on specimens tested in axial/torsional machines.

Gauge Lengths: 10 – 25 mm
Measuring Ranges: 5% and 10% axial; Up to 2.5° torsional
Temperature Range: -270 °C to 200 °C with -LHT option
Key Features: Axial-torsional

Simultaneously measures in-plane bi-axial strains at high temperatures on specimens tested in X-Y bi-axial machines. For use with materials testing furnaces or induction heating up to 1600 °C (2900 °F). May be used for bi-axial strain controlled fatigue. Slide mounting system enables mounting to hot specimens in seconds.

Gauge Lengths: 12.5 – 25 mm
Measuring Ranges: +2.5 mm / -0.5 mm typical
Temperature Range: Ambient to 1600 °C with -HT option
Key Features: Hot-mountable, XY planar biaxial furnace extensometer