Linseis dilatometers

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Dilatometry (DIL) is a technique in which dimension of a substance under negligible load is measured (eg, expansion measurement or shrinkage measurement) as a function of temperature while the substance is subjected to a controlled temperature program in a specified atmosphere.

Linseis produces a wide range of single, dual, differential, quattro, quenching, laser and optical dilatometers in a temperature range from -180 up to 2800°C and a resolution up to 0.3 nm. The company’s dilatometers comply with all national and international standards related to thermal expansion measurements, such as ASTM E228, E289, E831, D696, D3386, DIN ISO 7991, DIN EN 821 and DIN 51045.

The company’s vertical dilatometer L75V features no friction on expansion and is said to ensure push-rod contact. It is suitable for use with samples that shrink during heat-up.

The horizontal dilatometer L76/L75H is easy to use. It features high temperature uniformity and is suitable for R&D.

The optical dilatometer L74 Optical has no contact pressure. It is suitable for irregularly shaped and soft samples and is useful in many applications, such as contact angles, heating microscopes, etc.

The quenching and deformation dilatometer L78 Rita offers heating and cooling rates up to 2500 K/s and deformation forces up to 25 kN. It also includes the creation of CHT/CCT/TTT diagrams.