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SS-28 Vibra-Pad does double-duty as an agitator to de-air specific gravity specimens and as a light-duty shaker for sieves up to 6in (152mm) diameter. Particle sizes range from No. 10—No. 200 (2.0mm to 75µm). The Kentucky Transportation Cabinet specifies these units for fine aggregate specific gravity testing. The plastic coated 5-1/4in (133mm) square platform has two wing nut fasteners and corner pillars with springs for holding sieves or flasks and pycnometers up to 6in (152mm) diameters in place.
Full Height: (3) 3in Sieves or (2) 6in Sieves
Intermediate Height: (6) 3in Sieves or (4) 6in Sieves
SS-28: 115V / 50-60Hz / 1.4Amps
SS-28F: 230V / 50-60Hz / 0.7Amps
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