Hydraulic resistanceCH/01 0153045600204060ΔP · kPaQ · L/min Clean elements · reference fluid at 32 mm²/s. ΔP at 40 L/min● A 24 kPa□ B 19 kPa Method reference · ISO 3968:2017
Particle removalCH/02 101010010005101520βₓ · log scaleParticle size · μm(c) Multi-pass comparison at 40 L/min · β = upstream ÷ downstream particle count. β₁₀(c) · 10 μm(c)● A 200 / 99.5%□ B 100 / 99.0% Method reference · ISO 16889:2022
Contaminant capacityCH/03 050100150050100150ΔP · kPaRetained mass · g Multi-pass comparison at 40 L/min · common terminal ΔP. Retained mass at 150 kPa● A 120 g□ B 145 g Method reference · ISO 16889:2022