# ISO 11943:2018 — Withdrawn and superseded ISO standards

For ISO 11943:2018, item title is Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibration and validation; status code is 9599; successor is ISO 11943:2021; withdrawn / published date is 2018-05-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11943:2018 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibration and validation _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11943:2021
- **Withdrawn / published date:** 2018-05-07 _(verified: appears in the quote below)_

## What the source says

> 66514,IS,,ISO 11943:2018,Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibration and validation,Transmissions hydrauliques — Systèmes de comptage automatique en ligne de particules en suspension dans les liquides — Méthode d'étalonnage et de validation,2018-05-07,2,['23.100.60'],ISO/TC 131/SC 6,9599,[20511],[79717],"['en','fr']",29,"<p>This document establishes methods to:</p><p>— validate equipment used to prepare secondary calibration suspensions for automatic particle counters;</p><p>— perform online secondary calibration of automatic particle counters;</p><p>— match two or more online particle counters, i.e. to co

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).