HYDRAULIC STATIONARY PISTON SAMPLER FOR SAMPLING NATURAL SOIL FOR GROUND SURVEY

摘要

PURPOSE: A hydraulic stationary piston sampler is provided to enable easy manipulation and to collect samples of high quality.;CONSTITUTION: A hydraulic stationary piston sampler comprises a sampling unit(12) and a hydraulic control unit. The sampling unit is loaded into an excavated hole and collects a sample with a sampling tube(1) which is moved downward along with a movable piston(80). The hydraulic control unit is connected to the sampling unit and controls hydraulic pressure to move the movable piston in the vertical direction.;COPYRIGHT KIPO 2010