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Hydrological Equipment

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D-74 Sediment Sampler

Item No.:
82.00 LBS

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This is a 64-pound (28 kg) sampler for suspension by cable, reel, and crane to take suspended-sediment samples in streams up to 18 feet (5.5 meters) in depth. The sampler has a cast bronze streamlined body 24 inches (61 cm) long, in which a pint or quart (0.47 or 0.95-liter) sample container is enclosed. These samplers also can be cast in aluminum instead of bronze. In this case, the sampler weighs 30 pounds (13.6 kg), and is designated as the US D-74AL. The sampling operation is identical to that of the DH-48.

The instrument is suspended on a hanger bar attached to a stainless steel cable and is lowered and raised by means of a sounding reel mounted on a crane, cable car or boat. Each nozzle is calibrated and supplied in 1/4 inch (0.64 cm), 3/16 inch (0.48 cm) and 1/8 inch (0.32 cm) green color coded nylon sizes. Shipment is made in a hinged, wooden box suitable for storing and transporting. The samplers can be supplied with a special epoxy coating. The US D-74 replaces the old model US D-49. The primary difference was the enlarging of the cavity for the sample container allowing the sampler to use the quart container or pint with adapter sleeve.