CC acc. to ISO 4406/ NAS 1638
For the electronic reading of cleanliness classes the particle counter KLEENOIL PMB 9000 can be used, which counts the required 4, 6 and 14mm as well as particles ≥ 21 µm.
Alternatively cleanliness classes can be «estimated» optically with the KLEENOIL Analysis-Set / Microscope or be determined by counting particles.
