Recent content by russguk

OK, thank you for your help. Maybe it's probably best waiting until the meters are recalibrated and then make up a reference sample which we can use to verify the performance at periods inbetween. Thanks once again.

Hi, This is probably an easy answer but I can't get my head round it! If I have a test rig that measures pressure differential in a test chamber at a set flow rate, how do I calculate what the pressure differential should be if I put an orfice plate in with a certain size diameter hole in the...