Designed for determining settleable matter in water and waste effluent. Also used to measure sand content in well water. The leakproof closure makes it possible to withdraw sediment for gravimetric analysis, and also aids in cleaning. Closure design enables user to read graduations to zero. The cone is fully graduated from 0- 1000 ml: 0-1 ml by 0.1 ml, 1-10 ml by 0.5 ml, 10-20 ml by 1 ml, 20-40 ml by 2 ml, 40-100 ml by 10 ml, 100-500 ml by 50 ml, 500-1000 ml by 100 ml.