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  • BSI
    BS ISO 21018-4:2019 - TC Tracked Changes. Hydraulic fluid power. Monitoring the level of particulate contamination in the fluid - Use of the light extinction technique
    Edition: 2020
    $439.53
    / user per year

Description of BS ISO 21018-4:2019 - TC 2020

This document specifies a method for the determination of the particulate contamination level using the light extinction technique (also known as light blockage or light obscuration) either online or offline in containers. It also defines procedures for calibrating the instruments and verifying their correct operation both in the laboratory and in service.

In general, the techniques described in this document are suitable for monitoring:

  • the general cleanliness level in hydraulic systems,

  • the progress in flushing operations, and

  • support equipment and test rigs.

The use of this method is applicable to single-phase liquid systems only.



Standard NumberBS ISO 21018-4:2019 - TC
TitleTracked Changes. Hydraulic fluid power. Monitoring the level of particulate contamination in the fluid - Use of the light extinction technique
StatusUnder Review
Publication Date2020-02-24
DescriptorsHydraulic fluids, Particulate materials, Liquid fuels, Hydraulic transmission systems, Hydraulic equipment
ICS23.100.60 Filters, seals and contamination of fluids
CommitteeMCE/18/-/6
ISBN978-0-539-07719-3
PublisherBSI
Pages0

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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