ISO-11943 › Hydraulic fluid power - Online automatic particle-counting systems for liquids - Methods of calibration and validation

ISO-11943 - 3RD EDITION - CURRENT
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This document establishes methods for:

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

â..    performing online secondary calibration of automatic particle counters;

â..    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;

â..    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.

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23.100.60 (Filters, seals and contamination of fluids Hydraulic fluids, see 75.120)

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Document Number

ISO 11943:2021

Revision Level

3RD EDITION

Status

Current

Publication Date

May 1, 2021

Committee Number

ISO/TC 131/SC 6