The use of mercury thermometers and alcohol thermometer to distinguish?
2020-11-26
JVTIA
178
Mercury thermometer and the structure of the alcohol thermometer, respectively by a glass bulb containing mercury or alcohol, capillary, scale and scale, etc. Their working principle are similar, it is made by using the properties of liquid heat bilges cold shrink thermometer. Where is that the difference between them? Alcohol thermometer and mercury thermometer contrast: alcohol thermometer use temperature range - mercury thermometer 110~50℃ - The highest temperature 30 ~ 300 ℃ measurable 78. 4 ℃ 357 ℃ lowest temperature - can be obtained 113. 5℃ - 39 ℃ higher heat expansion size measurement accuracy is slightly lower
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