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#182027 Alcohol Thermometer Advantages and Disadvantages

Posted by Science_Equip on 19 September 2019 - 05:23 AM in Lab Equipments

Advantages
  • It is suitable to measure low temperatures because of its freezing point is low.
  • It is less toxic than mercury thermometer and hence high on safety factor for human and environment.
  • It has a greater value of temperature coefficient of expansion than a mercury thermometer.
  • Alcohol Thermometer is less expensive than a mercury thermometer.
Disadvantages
  • It is less durable because alcohol evaporates faster than mercury.
  • It cannot measure high temperature because of a low boiling point.
  • It wets the walls of the thermometer, which can adversely impact the accuracy of readings.




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