The HY.ETC-200 sludge sampler is a manual sampling tool designed for collecting sludge from riverbeds and industrial wastewater pools, primarily used by environmental protection agencies, health and epidemic prevention departments, water supply utilities, and chemical plants. It is suitable for collecting sludge in deep, remote, or otherwise inaccessible areas where manual collection is difficult. Technical Specifications of the HY.ETC-200 Sludge Sampler Sampling Flow Rate: 5 (L/min) Weight: 8kg Type: Deep-water Sampler Operating Time: All-weather Grab Sampling: Grab bucket with mechanical transmission and cable extension Material: Stainless Steel Sampling Depth: Over 20 meters Accessories: Mud grab bucket, ropes, aluminum case, 2 or more pairs of operating gloves