nominal filter

nominal filter

A filter capable of cutting off a nominated minimum percentage by weight of solid particles greater than a stated micron size.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
Therefore, the reconfigured relative bandwidth, [RBW.sub.r], can be assumed to be approximately equal to relative bandwidth of nominal filter as follows: [RBW.sub.r] [approximately equal to] RBW.
The air flow rate 0.944[m.sup.3]/s (2000 CFM) is the nominal filter test air flow rate according to EN779.
"I would be loathed to suggest we go back to the days of 'pick any number you want' for a nominal filter rating.