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Innovative temperature chambers for plastics and composites testing

Materials testing often involves the use of temperature

chambers, as material properties change under the influence of temperature. Test

temperatures are governed by the eventual area of use or by specific material

properties. These new 'Made by Zwick' temperature chambers impress through

optimum matching of all system components, ensuring reliable test results

combined with fast, easy handling.

Optimum integration of the temperature chamber with Zwick extensometry means that reliable test results are guaranteed, regardless of whether optical or contact-type measurement is used. All influences such as vibrations and streaking due to convection are minimized. The optional LED lighting module enables optical measurement for change of width also, while the requirements of standards such as ISO 527-1 and ASTM D638 are comfortably met. To avoid influencing test results for sensitive specimens such as films/foils, the fan speed can conveniently be adjusted via testXpert II during the test sequence.

All system functions feature convenient, intuitive operation via testXpert II testing

software. The control layout adapts interactively to the test sequence and provides direct feedback, while all data can be documented traceably with the test series. In addition, the temperature chamber adapts to your application. For example, when changing from a tensile test to a flexure test the appropriate control parameters for the test fixture can simply be called up. Rapid attainment of the exact test temperature is thus guaranteed, even with widely differing testing applications.

New features enable short cycle-times combined with low operating-costs and can be etrofitted as required. These include pre-tempering specimens in a specimen

magazine, or rapid specimen changes with no significant reduction in temperature,

achieved through a small access port in the door, while specimens can be aligned

precisely and inserted quickly using special tongs.