High Temperature Diametral Extensometer Series 3580
With induction heating, this model often can be used without liquid cooling.
When used in furnaces, the extensometer is often mounted directly to the furnace side cut-out. Optional load frame mounting brackets are available for supporting the extensometer in cases where furnace mounting is not possible. These optional mounts are used with induction heating or furnace systems.
The Model 3580 extensometers are accurate strain gaged devices.
Features
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May be left on through specimen failure.
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Full bridge, 350 ohm strain gaged design for compatibility with nearly any test system.
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All standard units have linearity readings of 0.15% or better.
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Suitable for measuring Poisson's ratio per ASTM E132 with most materials and specimens.
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High purity alumina ceramic rods (1200 °C) or alpha grade silicon carbide rods (1600 °C) are available.
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Versions available for use in vacuum environments (consult factory).
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Rugged, dual flexure design for strength and improved performance. Much stronger than single flexure designs, this also allows cyclic testing at higher frequencies.
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Each unit comes with a spare set of quartz rods, universal liquid-cooled mounting bracket and a foam lined storage case.