ISO 11943:2021
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ISO 11943:2021
79717

Abstract

 Preview

This document establishes methods for:

—   validating equipment used to prepare secondary calibration suspensions for automatic particle counters;

—    performing online secondary calibration of automatic particle counters;

—    matching two or more online particle counters, i.e. to count the same number of particles at a given size by two APCs associated online;

—    validating online particle counting systems with and without online dilution as used, for example, to measure the filtration efficiency of a hydraulic filter as described in the multi-pass filter test in ISO 16889.


General information 

  •  :  Published
     : 2021-05
  •  : 3
     : 29
  •  : ISO/TC 131/SC 6 Contamination control
  •  :
    23.100.60 Filters, seals and contamination of fluids

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