The WLP-205 Fisher Sub-Sieve Sizer/Average Particle Size Analyzer (FSSS) utilizes the air permeability method to accurately and efficiently determine the average particle size, also known as the Fisher number particle size of powders. It fully complies with international standards including ISO 10070 and ASTM B330-20. Serving as a reliable substitute for the discontinued Fisher Model 95 Sub-Sieve Sizer, Huayu’s instruments offer exceptional performance and durability. Representing world-class engineering, our WLP series is the top choice among Fisher Sub-Sieve Sizers on the market.

WLP-205, Evolved from WLP 202 boasts similar speedy analysis times, minimal maintenance, and slightly expanded porosity range further enhancing its scope of measurement. The upgraded air pumps provide stable air pressure to maintain high testing capability, producing consistent test results. This model has a 15-20 year long lifespan. Ideal for all powder-processing industries, it provides precise powder size determination for a wide range of applications. 

Huayu’s WLP series of Fisher Sub-Sieve Sizers (FSSS),is the trusted choice for industries demanding exceptional accuracy in measuring fine powders and sub-sieve materials. Specifically designed for particles below 75 microns, WLP series delivers robust results that empower your research and quality control processes and is an indispensable tool across industries such as metallurgy, pharmaceuticals, ceramics, material science, and food processing.