Is there any difference between domestic thermal analysis and thermal analysis of foreign production? If so, what is the difference?
This article refers to Shanghai cypress sample disk information network
1. Thermal analysis 差别 cleanliness difference:
Foreign production thermal analysis is in a dust-free enclosed space, he can put particles, harmful air, bacteria, etc. in the air within a certain space.
The pollutants are excluded, and the indoor temperature, cleanliness, indoor pressure, airflow velocity and airflow distribution, noise vibration and illumination, and static electricity are controlled within a certain range of requirements. Therefore, the thermal analysis produced in this space has basically reached a non-polluting condition, and the packaging aspect is also very good.
However, due to the limited production of small-scale production and the inability of domestic manufacturers to reach the scale of mass production, the production environment and conditions cannot meet the standards of foreign countries. As a result, the thermal analysis of the produced product is not very clean.
Many people will find a problem in the process of doing thermal analysis experiments. The baseline of experiments using foreign thermal analysis is relatively stable, while the baseline of domestic thermal analysis has a great change. In fact, the main reason for this phenomenon is the difference in cleanliness.
Although the thermal analysis of foreign production and domestic production seems to be clean, the imported ones are clean in the dust-free space, and the domestic thermal analysis å©åŸš basically does not meet this requirement, so there will be a naked eye. Bacteria and particles that are not visible. These will affect the baseline changes in the experiment.
It is recommended that before the experiment, whether it is imported or domestic thermal analysis, it needs to be cleaned. It will be found that the baseline will be much more stable during the experiment, and the domestic and imported thermal analysis will be found after cleaning. There is not much difference.
2. Thermal analysis å©åŸš quality error:
Foreign thermal analysis å©åŸš manufacturers have many years of production experience, production equipment is also relatively advanced, so the thermal analysis of production å©åŸš cumulative quality error is very small. Domestically, this cannot be done. Relatively speaking, the error is larger than that of foreign countries. After the sample plate pressure tester is pressed, the experiment will be carried out with the imported thermal analysis ,, the data is very stable, and the domestic sample disk has a relatively large baseline float. In fact, domestic manufacturers can reduce the quality error, but only need a lot of manpower and material resources, so basically few manufacturers will pay attention to this point.
The domestic thermal analysis price is relatively cheap, basically one tenth of the price of imports. If we can clean the sample tray before doing the experiment, we will find that the difference between imported and domestic is really not very big. Regarding the quality error, before purchasing the domestically produced, it can be required to require the manufacturer to control within a certain range or not, but only need to pay a certain amount of RMB. Still, it will still be much more affordable than foreign imported thermal analysis!
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