Fisher sub sieve sizer standard testing methods

HMK-22 Fisher Sub Sieve Sizer is a lab analysis instrument used to measure the average particle size (fisher number) of powders. It consists of air pump, pressure regulator, drying tube, sample tube, pinion, reading chart, manometer and needle valve etc. Air pump generates stable air flow and such air flow goes through pressure regulator and dried by drying tube then passing through the testing area. Particle size decides passage of the air and the level height. Read the particle size directly

from the reading chart.HMK-22 uses imported American needle valve that can control the air flow precisely. The pump works with small noise and output stable pressure. HMK Test FSSS is manufactured strictly according to international standard and both accuracy and repeatability conforms to international standards ASTM D10070.

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