A variety of sludge judge samplers are available to fit your sampling needs. Order complete assemblies to receive three 5-ft (1.5-M) sections that screw together, or separate component pieces If customized Sampler lengths are desired. The bottom piece has a ball Valve that allows liquid in when lowered into the sample and seals the sample when raised from the liquid. The middle Section connects the top and bottom sections, order additional middle sections to increase the overall Length. The top Section has a nylon rope that aids in sampling. All sections feature 1-ft (0.3-M) increments which allow you to easily identify how much sludge is in the Sampler body. Basic sludge judge and sludge judge ultra versions have 3/4 inch (1.9 cm) diameter pipe sections and hold approximately 3 oz (89 ml) of fluid per foot. Sludge judge II version has 1-1/4 inch (3.2 cm) diameter pipe sections doubling the overall capacity of the Sampler. Sludge judge ultra additionally features an ultraviolet Stabilizer which reduces material degradation from UV light. Measure settled solids in sewage treatment plants, chemical plants, or food processing facilities take accurate, non-caustic measurement of settable solids, 5 percent or less.