ISO 21018-4
Hydraulic fluid power — Monitoring the level of particulate contamination in the fluid — Part 4: Use of the light extinction technique
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| Organization: | ISO |
| Publication Date: | 1 August 2019 |
| Status: | active |
| Page Count: | 18 |
| ICS Code (Filters, seals and contamination of fluids): | 23.100.60 |
scope:
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.
Document History
ISO 21018-4
August 1, 2019
Hydraulic fluid power — Monitoring the level of particulate contamination in the fluid — Part 4: Use of the light extinction technique
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...
November 1, 2016
Hydraulic fluid power - Monitoring the level of particulate contamination in the fluid - Part 4: Use of the light extinction technique
This part of ISO 21018 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...