Orbital De-Airing Device

The Humboldt orbital de-airing device is designed for use in maximum specific gravity and density determinations of bituminous paving mixtures. It can also be used as an agitator in Rice testing to keep sample material loose during the test. Through the use of an orbital shaking action, material densification that entraps air is virtually eliminated, resulting in more accurate and uniform test results. The front panel incorporates a variable speed controller with a range of 10 to 250 rpm and an LED programmable timer with an accuracy of better than ±0.1%. The orbital diameter of the 11″ x 12″ (279 x 305mm) platform is set at 1.5″ (38.1mm). Taking up little counter space, the base is 10″ x 10″ (154 x 154mm) and has an overall height of 16″ (406mm). Quick release clamps are used to permit quick mounting and removal of the pycnometer. The optional H-1753 flask attachment allows the user to conduct tests using a laboratory flask.



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