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Basic operating procedures for a dust chamber?
Category: Industry News
The dust chamber assesses the salt spray corrosion resistance of materials and their protective layers, compares the quality of similar protective layers, and can also assess the salt spray corrosion resistance of certain products. Below, we will discuss its correct operation method.
When dust chambers began to be widely used in machinery, national defense, and light industry electronics, salt spray testing also became well-known. During operation, its working principle is that a fan drives dust of a certain concentration at a certain flow rate across the surface of the test sample, and then tests the ability of these test samples to defend against the penetration of dust particles, the ability to defend against the abrasion or blockage of sand and gravel, and the ability to store and operate under the action of dry sand or dust-filled atmosphere. The atmospheric environment is the environment in which most corrosion occurs. When we test in the atmosphere, we find that oxygen, temperature changes, air humidity, and pollutants in the atmosphere are the main corrosive components and factors. Dust chambers are used for electrical, electronic, automotive, motorcycle, and other products, the performance of the shell seal, and the ability of the product to work in an environment with no obvious airflow. Of course, it also tests the ability of products to work in outdoor environments with strong airflow and a large amount of dust and similar locations.
Basic operating method:
1 First, install the internal parts of the dust chamber: tower-type spray device, funnel, round bar, V type sample rack, etc.
2 Then connect the air source, and after the power is turned on, turn on the power switch.
3 After turning on its operation switch, set the temperature on the temperature controller. , At this time, the staff can first press the SET button. After pressing it, at this time, SV window digital jump transport. When the staff use it, they can first press "up / add" , "down / reduce" and "left / translation" keys to adjust the required temperature. , Add water to the pressure tank and the chamber, and stop adding water after the two low water level lights go out, and seal the sealing groove with water.
4 In addition, when using the dust chamber, you also need to know that when using it, you can mix pure water and sodium chloride salt at a ratio of 1:20 .
5. After operating above its temperature, it will automatically adjust the actual temperature in the chamber until PV value is equal to SV value , After reaching a stable state. ;
6 After all the lights are off, we can turn on the operation, spray, and timing switches. The defogging switch can only be turned on after the test is completed.
I wonder if you have learned how to operate the dust chamber. The editor has told you the most important things in the above content. I hope all friends will pay attention to it. That's all for today's information. If you still don't understand, you can consult the customer service staff, and they will patiently answer your questions.
Previous Page: What are the uses and introduction of a dust chamber?
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