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BS ISO 11171:2020

BS ISO 11171:2020

$198.66

Hydraulic fluid power. Calibration of automatic particle counters for liquids

Published By Publication Date Number of Pages
BSI 2020 62
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This document specifies procedures for the following:

  1. 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;

  2. secondary particle-sizing calibration using suspensions verified with a primary calibrated APC;

  3. establishing acceptable operation and performance limits;

  4. verifying particle sensor performance using a test dust;

  5. 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.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Materials and equipment
13 5 Sequence of APC calibration procedures
17 6 Sizing calibration procedure
27 7 Data presentation
28 8 Identification statement
29 Annex A (normative) Preliminary APC check
33 Annex B (normative) Coincidence error procedure
37 Annex C (normative) Flow rate limit determination
42 Annex D (normative) Resolution determination
47 Annex E (normative) Verification of particle-counting accuracy
50 Annex F (normative) Preparation and verification of bottles of secondary calibration suspensions
54 Annex G (normative) Dilution of calibration suspension samples
57 Annex H (informative) Verification of particle size distribution of calibration samples
59 Bibliography

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BS ISO 11171:2020
$198.66