Dilatometer / Dilatometry (DIL)

Dilatometry (DIL) measures volume changes caused by physical and chemical processes. They are used in manufacturing, engineering, materials science, and chemistry labs. When working with a dilatometer, the first step is to load the sample into the machine. The sample is subjected to physical or chemical processes, most often in the form of heating from a furnace, and a sensor picks up on the volume changes.

Dilatometers can be used to calculate a material's coefficient of thermal expansion, softening point, glass transition temperature, Curie point, crystalline transformation, phase transition, and amount of shrinkage. When purchasing dilatometry equipment, it is important to consider the type of material that will be tested, the method of capture for measurements, and the software used.

CompanyTA Instruments – a division of Waters CorporationTA Instruments – a division of Waters CorporationTA Instruments – a division of Waters CorporationTA Instruments – a division of Waters CorporationTA Instruments – a division of Waters Corporation
ItemDIL 820 Series Vertical DilatometerDIL 806 Optical DilatometerDIL 820 HT HiTemp Vertical DilatometerDilatometer Horizontal 831ODP 868 Optical Dilatometer with Heating Microscope and Fleximeter Modes
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Catalog NumberDIL 821 / DIL 822DIL 806DIL 821HT / DIL 822HTDIL 831ODP 868
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DescriptionThe 820 Series operate in a vertical orientation, making it uniquely set up for the analysis of sintering, studies in Rate Controlled Sintering (RCS) mode and the determination of dilatometric parameters of samples otherwise difficult to be analyzed on classic dilatometers with horizontal design.

This optical dilatometric measurement method used in DIL 806 is an absolute process, entirely independent of any possible expansion or contraction of the instrument. Consequently, measured results do not need to be corrected or calibrated for different temperature programs. Coupled with the fast The 820HT Series operates up to high temperatures in a vertical orientation , making it uniquely set up for the analysis of sintering, studies in Rate Controlled Sintering (RCS) mode and the determination of dilatometric parameters of samples otherwise Impossible to be correctly analyzed on classic Packed with automated features, the DIL 831 features  the patented 1 nm resolution optical encoder, a family of new dynamic furnaces, and the new linear sample load motor. The result is the best performing horizontal single sample push-rod dilatometer available on the market.

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Result of over twenty years of R&D of optical instruments for the study of the thermo-mechanical behavior of materials, ODP 868 makes possible the analysis of samples beyond the limits of classical heating microscopy. Its versatility makes of ODP 868 the most innovative tool for production and R&D ... Read More
Temperature RangeRT – 1100°C / RT – 1500°C / 100 – 1700°C-150°C to -600°CRT – 2000°C / 300°C – 2300°CInquireFrom RT up to 1650 °C
Heating / Cooling RatesInquireInquireInquireInquireHeating Rate – 0,1 – 100 °C/min (200 °C/sec in Flash mode)
Sample HolderFused silica, Al2O3InquireAl2O3, GraphiteInquireInquire
Sample Length0 to 25 mm0.3 – 30 mm0 to 25 mm0 to 25 mmUp to 85mm
Sample Diameter10mm / 5mmInquire10mm / 5mm12 mmInquire
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