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ISO 11943:2021

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

May 10, 2021

General information

60.60     May 10, 2021

ISO

ISO/TC 131/SC 6

International Standard

23.100.60  

English   French  

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11943:2018

NOW

PUBLISHED
ISO 11943:2021
60.60 Standard published
May 10, 2021

REVISED BY

ABANDON
ISO/PWI 11943