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The working principle and application of alcohol thermometer

2020-11-26

JVTIA

279

The working principle of the alcohol thermometer is made by using the properties of heat bilges cold shrink alcohol thermometer, under a standard atmospheric pressure, the thermometer can measure the highest temperature is 78 ℃ usually. Because the one under the condition of normal atmospheric pressure, the boiling point is 78 ℃ of alcohol. As we all know, the general state of the alcohol thermometer tube pressure will be higher than 1 standard atmosphere, so there are some alcohol thermometer range will be greater than 78 & deg; C。 So the alcohol thermometer are generally used in low temperature and temperature difference is bigger, such as the cold of winter, because the freezing point of alcohol is minus Under 114 ℃, can be competent in low temperature environment temperature operation, so do not worry about this problem.

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