Nasco Sludge Judge 5' Bottom Section with Valve
When your application for sample testing is less than 5' the Sludge Judge 5' Bottom Section is all you need. Slowly lower the Sludge Judge® to the bottom of the tank. The float valve opens allowing materials to flow in. When the bottom has been reached and the pipe has filled to the surface level, tug slightly on the rope as the unit is raised. This sets the check valve trapping the mixture inside.