would you take air velocity measurements in an imaginary grid across the face of the booth opening or would you take air velocity measurements in an imaginary grid across the cross section of the middle of the booth or would you take air velocity measurements at the back filters? Which regulation or guidance prescribes where the velocity measurments should be taken?
would you take air velocity measurements in an imaginary grid across the face of the booth opening or would you take air velocity measurements in an imaginary grid across the cross section of the middle of the booth or would you take air velocity measurements at the back filters? Which regulation or guidance prescribes where the velocity measurments should be taken?
Hy my extractor fan is near on the floor, should I live the airflow coming from the top or bottom?
Yes ! U need air flow that move from upside to downside
Good job
good job