Customers in the purchase of DC Cooling Fan, the quality is very concerned about, DC cooling fan DC from which can see the good or bad?

 1. Look at the DC cooling fan which raw materials are made of, such as double ball bearings, copper coil and so on, are the good materials used.

 2, look at the fan operation noise is not big, the same speed, wind pressure, noise the smaller the fan is better.

 3. Measure vibration, choose the same specification, rotate speed, the smaller the vibration, the better. 

4. Current, same speed, wind, less current is better, because the smaller the current is, the smaller the loss, the smaller the power consumption.

 5, the fan operation for a period of time, stop the Fan to see the temperature changes in the fan, if the temperature is too high, it will be easy to cause the fan stuck burning machine and so on.

 The above is Dongxing Yue on how to judge the quality of DC cooling fan, it is good or bad simple introduction, in the choice of DC cooling fan, to choose a good manufacturer, after all, the quality is guaranteed, a good DC cooling fan is very important, not only can make the equipment normal operation, but also can extend its service life, work efficiency also increases, if you want to know more DC cooling fan knowledge can pay attention to us.