Reference number
ISO 11171:2022
© ISO 2025
International Standard
ISO 11171:2022
Hydraulic fluid power — Calibration of automatic particle counters for liquids
Edition 5
2022-03
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Published (Edition 5, 2022)

ISO 11171:2022

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Format
CHF 199
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Abstract

This document specifies procedures for the following:

a) primary particle-sizing calibration for particle sizes 1 µm(c) and larger, sensor resolution and counting performance of liquid automatic particle counters that are capable of analysing bottle samples;

b) secondary particle-sizing calibration using suspensions verified with a primary calibrated APC;

c) establishing acceptable operation and performance limits;

d) verifying particle sensor performance using a test dust;

e) determining coincidence and flow rate limits.

This document is applicable for use with hydraulic fluids, aviation and diesel fuels, engine oil and other petroleum-based fluids. This document is not applicable to particle-sizing calibration using NIST SRM 2806b primary calibration suspensions.

General information

  • Status
     : Published
    Publication date
     : 2022-03
    Stage
    : International Standard published [60.60]
  • Edition
     : 5
    Number of pages
     : 51
  • Technical Committee :
    ISO/TC 131/SC 6
    ICS :
    23.100.60 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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