Fisher Sub Sieve Sizer [also called average particle size analyzer] Fisher Style Sub-Sieve Sizer for ASTM B 330 and ISO 10070, for refractory metals and compunds, measures average particle size in the 0.2 to 50 micron range, operates on air permeability principle, eliminates complex calulations and the result is read directly from multi curve chart on the front of instrument after simple alignment of indices
This unit is another version of the Fisher Sub Sieve Sizer manufactured by a third party company with a similar design.
We believe Fisher Scientific no longer manufactures their unit anymore. The Fisher Scientific unit was a natural wood color.
This item we are selling is an imported item made in China. It is new. It is a green color. We believe they made it to be like the Fisher unit.