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Gnomix pvT High Pressure Dilatometer


The Gnomix PVT Apparatus generates pressure-specific volume-temperature measurements using high-pressure dilatometry. PVT data are equation-of-state thermodynamic properties that describe the compressibility and volumetric expansion of the material. Dilatometry measures the change in volume of a specimen subjected to different temperatures and pressures.

Operating range

Pressure: 10 to 200 MPa
Temperature: 30 to 380C


pvT curves
bulk modulus
volumetric expansion coefficient