GSO ISO 11943:2024

ISO 11943:2021

Gulf Standard Current Edition · Approved on 14 October 2024

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

GSO ISO 11943:2024 Files

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GSO ISO 11943:2024 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.