presentation on mercury thermometer
Post on 19-Feb-2017
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WELCOME EVERYBODY
We are Presenting………. Mercury Thermometer
History Inventor Daniel Gabriel Fahrenheit (24 May 1686-16 September 1736)
What is Thermometer?
Mercury is Used Because…….• Rapid heat conductor• Linear expansion• Low freezing point (-400c), high boiling point (3570c)• No capillary force between mercury and tube• Mercury does not wet the tube Surface
Structure Of Mercury Thermometer
Uses of Mercury Thermometer ?
Fever MeasurementFood Temperature measurementRoom Temperature measurement Industrial Product’s Temperature
measurementDetermine Liquid Temperature
Basic PrincipalsFarenheitProper Lines Indication 1 degreeShort Line indicate .2 degree
CelciousLong Line indicate 1 degree or .5 degreeShort Line indicate .1 degree
AdvantageCheapDurableAccurateEasily Calibrated
Disadvantage Display is harder to read. Does not work below -390C. Cannot be used for thermograph. Slow response. Mercury vapor is poisonous.
THANKS TO EVERYBODY
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