Beta Ratio Calculator

Calculate filtration efficiency from beta ratio and determine ISO cleanliness improvement

Input Parameters

Results

--
Filtration Efficiency
%
--
Downstream Count
per mL
--
Capture Rate
particles/min
--
ISO Rating

Reference

β ratio = upstream count / downstream count Efficiency = (1 - 1/β) × 100% β200 = 99.5% efficient β1000 = 99.9% efficient Higher β = cleaner fluid