Dilatometer

Introduction

Dilatometer is a scientific instrument for measuring volume change. They are instruments used to measure the relative expansion/contraction of solids at different temperatures.

A familiar use of a dilatometer is the mercury thermometer, in which the change in volume of the liquid column is read from a graduated scale. Because mercury has a fairly constant thermal expansion over normal temperature ranges, volume changes can be directly related to temperature.

Thermal expansion is defined by:.

This is how its thermodynamic definition is also an important engineering parameter.

Dilatometers have been used for quality control in materials or production.

Dilatometer

Introduction

Dilatometer is a scientific instrument for measuring volume change. They are instruments used to measure the relative expansion/contraction of solids at different temperatures.

Thermal expansion is defined by:.

This is how its thermodynamic definition is also an important engineering parameter.

Dilatometers have been used for quality control in materials or production.

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Dilatometer

Introduction

Dilatometer

Introduction