Measurement of exhaust air flow before and after duct cleaning
On 2013-03-11 21:42:54
It is used for exhaust airflow measurement of the duct, but since the resolution is "0.1", it can be measured without problems. The average air volume can also be calculated and convenient. On the other hand, concerning the numerical value of the air volume display, it is not a problem size, but the "Function" display is small and it is somewhat hard to see, so it was necessary to be careful. I did not know which "Function" was selected during the beginning of use, and I reset it a couple of times. I think that it does not matter to young people with good eyes, but it was somewhat tight to presbyopic microbes.