Bedload Samplers are utilized for sampling and measuring sedimentation flow in fluvial geomorphology studies. Our Helley Smith hand held samplers have a 3″ x 3″ opening with a 3.22 expansion ratio chamber. It is made of stainless steel and uses the style #1 bag (2 kg).  It comes with a 6’ handle and one 250 micron bag … $330.  Replacement bags are $50 each.