Thermometry.ppt
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Thermometry Mercury Thermometer Gas Thermometer Radiation Thermometer Thermistor
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Transcript of Thermometry.ppt
Thermometry
Mercury Thermometer
Gas Thermometer
Radiation Thermometer
Thermistor
Galileo Thermoscope
Temperature ScalesDaniel Gabriel Fahrenheit (1714)
Three Fixed PointsMixture of Ice-Water-Ammonium Chloride
Body Temperature
Anders Celsius (1742)
Two Fixed PointsIce PointSteam Point
Fahrenheit Temperature Scale
Centigrade Temperature Scale
Ice Point
Thermometric Property = Length of Column of Hg
Thermometric Property = Length of Column of Hg
Lord Kelvin
One Fixed PointTriple Point of Water
Ideal Gas Temperature Scale
Thermometric Property = Pressure of a Gasin a ConstantVolume Vessel