How does a grease detector work?

How good is the quality of edible oil? I believe that many people are very concerned about this, because cooking oil is necessary in our lives, but also to enter the mouth, so its quality is closely related to the health of people's lives. In life, we can tell whether the quality of edible oil is good or not by observing changes in its color, etc. In the industry, there is a more professional way of using oil smoke point meter to determine the fat of edible oil. Smoke point.
The determination of the smoke point is an important part of the quality of edible oils and fats. For edible oils and fats, the smoke point generally refers to heating the oil to a certain degree and the temperature at which the oil begins to smoke. Using the smoke point can usually be used to identify The quality of edible oil. So the grease smoke point instrument is very suitable for the processing, storage and Other fields of edible oils and fats. So how does the oil smoke point instrument work to determine the smoke point value of edible oil?
In general, the composition of an object is complex and is not composed of a single substance. Therefore, different substances have different characteristics. For cooking oils, it is also a combination of different ingredients. When it is heated, different substances have different boiling points. Some substances with relatively low boiling points reach a certain degree of temperature. When it does, it will volatilize, and then produce thin smoke, and in a certain temperature range, the amount of smoke increases with the increase of temperature. The smoke point is the temperature at which the recorded material is heating up and just begins to smoke. The working principle of the grease smoke point meter, it is also relatively simple, that is, the process of converting light signals into electrical signals, which uses the photoelectric measurement method to convert the smoke concentration in a specific smoke measuring tube into an electrical signal. The smoke point of the grease sample can be determined by A/D conversion and automatic data processing.
The use of oil smoke point instrument to determine the smoke point of edible oil has the advantages of high degree of automation, high accuracy, simple and rapid operation, good reproducibility, etc. It can completely overcome the error of manual observation of the smoke point to ensure the accuracy and reliability of the test data. . Therefore, the use of oil smoke detectors in the departments of quality supervision, import and export inspection, oil and fat processing, oil storage and transportation, food processing, scientific research, agricultural breeding, and schools that need to determine the smoke point of vegetable fats is very extensive.

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