NF ISO 11943:2021
Current
The latest, up-to-date edition.
Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibration and validation
Hardcopy
English - French
01-09-2021
This document sets out methods for: validate equipment used to prepare secondary calibration suspensions for automatic particle counters; perform on-line secondary calibration of automatic particle counters; pair two or more particle counters online, i.e. obtain the same number of particles of a given size with two automatic particle counters associated online; validate automatic in-line particle counting systems, with and without in-line dilution, such as systems used to measure the filtration efficiency of a hydraulic filter as described in the NFISO 16889closed-loop filter test.
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