Salvador Cuñat <salvador.cunat at gmail.com> writes: > Hi. > > This works well. I have left the units in l/min as I don't think imperial users use cufeet/min, but if this is the case, please tell me and will make the modifications. Yes, we do. A good SAC rate is usually below about 0.5, below 0.4 is excellent. Above 0.7 or so is not so great... /D