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ISO/NP 11943-1

Hydraulic fluid power — Online automatic particle-counting systems for liquids — Part 1: Part 1: Methods of validating the hydraulic circuits.

General information

10.20     Jun 22, 2026

ISO

ISO/TC 131/SC 6

International Standard

Scope

This document establishes methods for:
— validating online particle counting systems with and without online dilution and associated subsystems
— validating equipment used to prepare secondary calibration suspensions for automatic particle counters;

Life cycle

PREVIOUSLY

PUBLISHED
ISO 11943:2021

NOW

PROJECT
ISO/NP 11943-1
10.20 New project ballot initiated
Jun 22, 2026