DH-95 Sediment Sampler

The US DH-95 is a hand-line suspended-sediment/water-quality sampler. The sampler can be lowered and raised, hand over hand, with a flexible suspension line. The US DH-95 meets the protocols for water-quality sampling as outlined in the USGS’s National Field Manual for the Collection of Water-Quality Data7. The sampler can be used in stream depths up to 15 ft and in stream velocities ranging from 1.7 to 7.4 ft/sec.

The US DH-95 weighs approximately 29 lbs and is 22 in long with the bottle, cap, and nozzle in place. The bottle cavity is machined from a low-lead bronze casting that is coated with plastic. The tail section is made of high-density polyethylene plastic. The sampler is designed to use a 1-liter Teflon or plastic bottle mated to the US D-95 Cap or US D-77 sampler cap and nozzle. Plastic and TFE nozzles with 3/16-, 1/4-, and 5/16-in internal diameter are available. The recommended sample volume to be collected with the US DH-95 sampler is 800 ml. The unsampled zone using the US DH-95 is 4.8 in.