This apparatus uses steam to heat copper, aluminum, and stainless steel sample tubes. A micrometer directly measures the sample's minute elongation to accurately determine the linear thermal expansion coefficient. The apparatus includes a steam generator, metal sample tubes, temperature sensors, and a precision displacement sensor (0.001 mm) for stable cooling measurements,. Two digital displays provide real-time data, while digital sensors track changes. The steam method prevents scaling, and an acrylic housing ensures safe operation.
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