Do you know the three rules for purchasing a household range hood?
Wind pressure is an important technical indicator to measure the performance of the range hood. If the exhaust pipe is long or connected to the public flue, due to the large loss of exhaust pressure, a larger wind pressure is required to ensure that the flue gas is discharged. With the development of society, household hoods have gradually entered your life, so what is the purchase method of household hood? One of the ways to buy a household hood: safety. No matter what kind of kitchen electrical products, safety must be considered, and products with potential safety hazards are believed to be used by no one. Range hoods as kitchen appliances, safety is also the primary performance indicator. Therefore, when choosing a range hood, you should check whether it is a product that has passed national safety certification. The second method of household hood purchase: wind pressure. Most of the communities are now high-rises. The flue of the kitchen is a public flue. If the wind pressure of the hood is not enough, it is easy to cause the problem of fume reflow. Wind pressure is an important technical indicator to measure the performance of the range hood. If the exhaust pipe is long or connected to the public flue, due to the large loss of exhaust pressure, a larger wind pressure is required to ensure that the flue gas is discharged. The greater the wind pressure value, the stronger the anti-winding ability of the range hood. The famous side suction hood can achieve a wind pressure of 350Pa, perfect for eliminating soot backflow. Therefore, when other indicators are good, the greater the wind pressure value, the better. The third method of household hood purchase: noise. Sometimes the wind turbine is bigger and the noise is louder. I believe that no one likes the sound of the hood when working. Hearing-sensitive people will feel headaches and even the cooking mood is gone. The country has a clear definition of the noise value of the range hood, which should be no more than 74dB. Of course, the lower the noise value, the better. Nowadays, many new types of range hoods can greatly reduce noise through pipeline improvement. Feed Through Terminal Block Section
Feed Through Terminal Block.
In the electrotechnics, the terminal refers to the terminal and is designed to run through the terminal production. The type is divided into single hole, double hole, socket, hook, etc. from the material, copper silver plating, copper zinc plating, copper, aluminum, iron, etc. their functions are mainly to transmit electrical signals or conduct electricity. The unit of terminal block is "bit", and one wiring bit is "bit". Usually the so-called table is the serial number of the terminal, which has different definitions in different applications. "Jie" and "bit" have the same meaning, but they are called differently. Groups are made up of sections.
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