Epsilon ONE™ Optical Non-Contact Extensometers - 4 Pages

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Epsilon ONE™ Optical Non-Contact Extensometers

Catalog excerpts

Epsilon ONE™ Optical Non-Contact Extensometers NEW PRODUCT Breakthrough Performance • Easy to Use • Works With Any Test Machine Epsilon ONE high-precision optical extensometers measure axial strain with industry-leading resolution, accuracy, and speed. Innovative Instant Reset, Always On and Laser Alignment features maximize performance and increase testing throughput. Composites, Metals, Ceramics Plastics, Elastomers Foil, Wire, Polymer Films Many more... Epsilon ONE optical non-contact extensometers perform high-accuracy, high-resolution, non-contacting axial strain and displacement measurement. These extensometers are suitable for testing highEpsilon ONE - Model ONE-78PT-System with carbon fiber composite specimen modulus materials such as metals and composites, high-elongation materials, thin or delicate specimens, cyclic fatigue, strain controlled testing, deflectometer applications, and measuring crack opening displacements. Strain or extension is measured and output in real time. Epsilon ONE’s high resolution and ISO 0,5 / ASTM B-1 accuracy classes make it suitable for non-contact measurement of a wide range of strain values, from very small strains required to measure modulus of metals, composites, ceramics and CMCs through elastomers and everything in between. Class-leading accuracy and resolution are achieved by Epsilon’s comprehensive optical path optimization, a unification of several optical technologies and signal processing algorithms. Ultra-high camera resolution, real-time data rates up to 3000 Hz, minimization of optical error sources, and signal processing techniques provide high strain resolution and accuracy with the lowest noise. No other system on the market combines all of these technologies. The Laser-Assist Alignment System provides an instant alignment and distance spot check. Epsilon ONE will project pre-aligned laser lines on the specimen before the test, revealing any misalignment. During the test, high precision telecentric lenses on the PT models eliminate errors due to out-of-plane movements – a common source of errors for many video extensometers. Epsilon ONE arrives factory calibrated – there are no calibration grids or gauge length bars, saving a great deal of time. The system sets up for new specimen types in minutes and requires very little training or skill to use. The desktop user interface software and optional Touch Interface provide continuous digital readouts and status information. Epsilon ONE was designed for the fastest specimen cycle times. Auto-start repetitive tests without any software interaction; Epsilon ONE is always running, and its Instant Reset and Automatic Mark Detection eliminate software start/stop interactions common with video extensometers. Epsilon ONE fits all types of materials testing machines. The system may be used with environmental chambers that are equipped with a window – contact Epsilon. Epsilon ONE is patent pending. See Epsilon ONE extensometer videos Visit our website at www.ep

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• Always on, always ready: Unlike DIC systems, software interactions are unnecessary when running repetitive tests. What sets Epsilon ONE apart? • Always real-time: Post-processing is never required, even at the highest data rates. Resolution, Accuracy, Speed Epsilon ONE’s performance is a result of optics and algorithm technologies that combine for high resolution, data rates and accuracy: Resolution: <0.2 µm RMS typical at 1 Hz; <0.5 µm at 10 Hz; <5 nm in low strain rate applications; typical resolution at selected filter settings • Faster throughput with Instant Reset: Auto-start...

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Epsilon ONEoptbi Non-Contact Extensometers, continued Optics Packages Resolution: Extensometer Accuracy Class: Absolute Accuracy: Minimum Specimen Size: Gauge Length: Maximum Elongation: Maximum Tracking Speed: Cyclic Testing: Strain Control: Out-of-Plane Sensitivity': Power Supply: System Environment: Host PC (optional): 50 - 200 mm FoV Optics Packages; other ranges available - contact Epsilon 300-3000 Hz; includes image frame rate, analog output, and digital output Analog Output: ±10V. short-protected, selectable units and range; includes 2.4 m (8 It) shielded output cable Digital Output:...

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Ordering Information The Epsilon ONE system includes an Optics Package, lighting, Laser Assist Alignment System, Sensor Controller, cables, mounting interface, standard specimen marking kit and software. The included user interface software will run on your testing machine’s existing computer. Select an Optics Package that meets your range of gauge length and elongation requirements. Start with the largest gauge length that you will need and determine which Optics Packages have enough elongation range for that gauge length. Repeat this process for the smaller gauge lengths in your range of...

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