Filter element test method and apparatus

Details Filter element test method and apparatus Filter element test method and apparatus

G - Physics

01

N

73/97

G01N 19/08 (2006.01) B01D 35/143 (2006.01) G01L 9/14 (2006.01) G01L 13/02 (2006.01) G01L 19/12 (2006.01) H01H 35/38 (2006.01)

Patent

CA 1176485

ABSTRACT A filter testing device is disclosed wherein the ends of a filter element is clamped between resilient seals in a filter holder member. A dioctyl phthalate smoke generator generates smoke which is passed through the filter element. An annular sampler which is mounted between the top member and base member of the filter holder member is moved vertically along the axial length of the filter. The annular sampler has an annular cavity therein with a plurality of radial holes extending from the inner diameter to the annular cavity. A vacuum pump draws the sample from the annular cavity in the annular sampler into a forward light scattering particulate detection device wherein the quantity of smoke is measured on a meter.

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