Fan impeller diameter refers to what? Is it from the center to the edge, or from the root of the blade to the edge?
If you look at the model, you can tell the diameter of the impeller. Such as: Y5-47-5C, here 5 of the 5C is like the brothers on the third floor said: "from the edge of a blade to the edge of the other blade relative to it."".
In other words, it is 500mm, and then according to the design features of this type of fan, with 500mm on the basis of 5mm, at this time, its impeller diameter is 505mm.
Impeller diameter is: from the impeller at the outermost edge of a point, over the center to the other end of the impeller on the outer edge of a point, the largest measured value is the diameter of the impeller.
