The WLP-208 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.

Our next generation model, WLP-208, retains all of the reliability, speed, and precision of its predecessors while introducing new enhancements to improve ease of use. Additional pressure regulator to ensure the international standard pressure (22.7 kgf x cm) is maintained and replace manual sample compress. Minimis the human error during testing process. Trusted by numerous customers and industry experts, it’s an affordable tool for professionals who require precise data to drive innovation and product excellence.

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.