Glass rod thermometer, with its high accuracy and high cost performance by many industries. Glass rod thermometer is according to the physical properties of liquid, as long as it along with the change of temperature of monotonous and significant changes in. All liquids can be just as with the glass rod thermometer liquid? In principle any liquid according to the characteristics of its own, as long as in the case of necessary, can be made a thermometer. Depending on the temperature measurement of material of different and different temperature range, commonly used with kerosene thermometer thermometer, alcohol thermometer, mercury thermometer, red pen water thermometer, etc. He has the advantage of simple structure, easy to use, relatively high measurement precision, high price ratio. Integrated many considerations, the commonly used liquid in the glass rod thermometer is kerosene, alcohol, mercury, such as water of the red pen, specific to choose which according to use environment. Also it is important to note: measuring temperature range is lower than the boiling point of liquid, higher than the freezing point; There can be no chemical reaction between liquid and the container.
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