Model 4150N GENUINE GURLEY High Pressure Densometer

This model measures porosity and air-permeability of materials. It includes a 1.0 square inch clamping plate, adapter and porosity calibration plate. The inner cylinder is graduated to 2.5cc for the first two spaces and thereafter each 5cc for a total of 30cc. Clamping pressure is supplied by turning a knob which raises and locks the lower clamping plate. Order the automatic digital timing attachment and instrument leveling base separately.