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Model EAM - Miniature Axial Extensometer

For axial tensile, compression, and cyclic testing on small or delicate specimens. 

Our model EAM miniature axial extensometer is designed around our new miniature cross-flexure module.  This innovative design provides improved performance and ruggedness over existing units as well as improved cable attachment (a leading cause of sensor failure). 
Model EAM - Miniature Axial Extensometer: Features

Small, light, and rugged, our ultra-light weight, miniature axial extensometers are typically used for testing small or delicate specimens.  These units work equally well on thin sheet, wire, or biomedical materials.  Our miniature axial extensometer is designed to fit in the tight space between grips when testing small specimens.   Typical models measure only 0.6 inches [15 mm] tall, they weigh as little as 7 grams, and they have very low operating force to limit any influence on small samples.   Model EAM - Miniature Axial Extensometer

All model EAM extensometers feature a full, 350 ohm, strain gauge bridge design and are compatible with most any brand test equipment.  We can install the proper connector to interface to most any electronics including Instron.  If your test frame or set-up does not have the required strain signal conditioner, we can supply stand-alone electronics calibrated with your extensometer. This will allow you to use a chart recorder, digital display, or data acquisition card.

All standard models meet ASTM B-1 and ISO 9513, class 0,5 accuracy requirements.  Each extensometer comes with an inspection certificate traceable to NIST, spare parts kit, spare set of tool-steel knife edges, and a quality, foam lined, plastic storage case.

Standard models available in any combination of measuring range and temperature range listed in the chart below.   If you need an extensometer in a configuration other than what is listed, please contact us with your specific needs.


Outline of model EAM - Miniature Axial Extensometer Ordering chart for model EAM - Miniature Axial Extensometer

Features 

  • Full Wheatstone Bridge, 350 ohm, strain gage design.
  • Linearity of 0.15% or better for all standard models.
  • Rugged, true, dual flexure design for improved performance.
  • All models measure both positive and negative displacements.
  • Packaged in high quality, foam lined, storage case.
  • Self-supporting and easy to mount with adjustable, integral mounting kit.

Specifications 

Excitation:   5 to 10 VDC recommended, 12 VDC or VAC maximum 

Output:   2 to 4 mV/V nominal

Linearity:   0.10% to 0.15% of full measuring range

Cable:   Ultra-flexible, 8 ft. (2.5 m) standard cable

Warranty:   Full one year warranty

Options

Bare leads or connector to interface to most any brand test equipment

Special knife edges

Special wire forms for wire or odd shaped specimens

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