Performance Features

 

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Outstanding performance
features in every model

  • Rugged construction withstands constant handling and mounting
  • Most models may be left on through specimen failure
  • Light weight to minimize specimen influence
  • Most models operate in both tension and compression
  • Most models are capable of being used in cyclic tests
  • Low operating force, normally less than 40g, with many under 20g
  • Easy to attach to specimens, with quick attach kits for most models
  • Immersible in many non-conductive fluids
  • Initial gauge length accurately established
  • All come with foam lined case

Backed by many years of experience

Over forty years of experience in materials testing and extensometer design combine to provide the best performing extensometers in industry. Epsilon’s experienced staff combined withour factory direct sales structure means if you have questions, you can speak with an expert to help resolve your issue. Our extensometers are the result of design refinements based on the experiences and inputs from customers over many years.

Full one year warranty on every extensometer

The warranty covers defects in materials or workmanship for a full year, excluding normal wear and damage from excessive force. Each unit is produced under stringent quality standards and is fully tested and calibrated. Certain items such as knife edges wear under normal circumstances and a spare pair is included. Should your extensometer require repair, Epsilon maintains a policy of quick response to keep your test lab running.

High accuracy, exceeding requirements of ASTM E83, ISO 9513, EN 10002-4

All of Epsilon’s extensometers are designed for very high accuracy, with performance significantly better than required by various testing standards. Epsilon’s extensometers adhere to the higest requirements of ASTM E83 and ISO 9513, where applicable. For all other units, linearities of better than 0.15% of full scale measuring range are commonly achieved.

All units ship with an ISO 17025 accredited test certificate. Each extensometer is individually calibrated, with relevant data provided.

Highest quality and the best value

Epsilon’s entire line of extensometers were engineered for high performance during even the most demanding materials testing applications. They have the ruggedness needed for high volume testing labs, proven through years of customer use.

Epsilon extensometers are sold factory direct. Coupled with our innovative design, the result is substantial cost savings to your company, with world class performing products.

Unique dual flexure design combined with overtravel stops for ruggedness

Nearly all models use a dual, flexure design which protects the extensometer from undesired motions. This isolates the sensing element from side forces and accelerations from dynamic tests. Nearly all out-of-plane errors are eliminated.

All standard axial extensometers may be left on through specimen failure

Integral mechanical stops protect the extensometer from damage when specimen failure occurs. The stops also prevent damage from mishandling.

Replaceable parts for added life and versatility

All models have easily replaced knife edges (where applicable). An additional set is included in the spare parts kit. The standard knife edges are made from hardened tool steel for long life. The modular design of the extensometers allows easy replacement of damaged components.

 

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