Test fixture for collecting particulate material

摘要: A test fixture for collecting particulate matter carried in the exhaust gas stream of an engine has a pair coaxially aligned mounting plates, each having filter cartridge holder mounted thereon. One plates is moveable with respect to other along predefined longitudinal axis between open position, whereat easily placed or removed, and closed position at which media sealed during prescribed sequence. An actuator on third plate extendable rod connected second effect movement positions.