The glass thermometers general types of liquid, what advantages and disadvantage

About glass thermometers 

Kerosene thermometer, it is the working substance is kerosene, and its boiling point is generally higher than 150 ° C, the freezing point below -30 ° C. Kerosene thermometer that has a range of about -30 ℃ ~ 150 ℃.

2, alcohol thermometer, due to the boiling point of the alcohol is 78 ℃, the freezing point is -117 ° C, alcohol thermometer than kerosene thermometer measured lower temperature, but higher than 78 ° C the temperature, it can not be determined.

Mercury thermometer, is one of the expansion thermometer mercury freezing point: -38.87 ° C, boiling point: 356.7 ℃, used to measure the temperature within the range of 0 - 150 ℃ or 500 ℃. But most used to do the thermometer, more precise, the range of 35 - 42 ° C.