This translucent teflon and stainless steel sampler is specially suitable for sampling and accurately making visible the layers in deeper containers, basins, monitoring wells with a diameter exceeding 38 mm, etc. The sample can be transported without disturbance in the transport tube. The cable-operated liquid layer sampler can not be used in thick, viscous fluids. After sampling, the thickness of the sludge- and floating layers can be measured, as, in the translucent tube, these are visible in the origial position and thickness. The teflon tube can be cleaned easily and effectively. The standard set contains: teflon sample tubes, operating rod with clip, drop weight, teflon control cable, top- and bottom stops, transport tubes and a sturdy carrying bag.